Publications

Books and Chapters in Books

1. Rafik Hadfi, Reyhan Aydoğan, Takayuki Ito, Ryuta Arisaka, Recent Advances in Agent-Based Negotiation: Applications and Competition Challenges, https://doi.org/10.1007/978-981-99-0561-4, Studies in Computational Intelligence Springer Singapore, 2023.3.21.

2. Katsutoshi Yada, Daisuke Katagami, Yasufumi Takama, Takayuki Ito, Akinori Abe, Eri Sato-Shimokawara, Junichiro Mori, Naohiro Matsumura, Hisashi Kashima, "Advances in Artificial Intelligence, Selected Papers from the Annual Conference of Japanese Society of Artificial Intelligence (JSAI 2020)" https://link.springer.com/book/10.1007%2F978-3-030-73113-7, DOI https://doi.org/10.1007/978-3-030-73113-7, Springer 2021. 

3. Takayuki Ito, "Discussion and Negotiation Support for Crowd-Scale Consensus" in the book "Handbook of Group Decision and Negotiation", Editors: Kilgour, D. Marc, Eden, Colin (Eds.),Springer, 2021 (分担執筆)

4. Aydogan, R., Ito, T., Moustafa, A., Otsuka, T., Zhang, M. (Eds.), "Recent Advances in Agent-based Negotiation, Formal Models and Human Aspects", Studies in Computational Intelligence, Springer, 2021（編著）.

5. Quan Bai, Fenghui Ren, Katsuhide Fujita, Minjie Zhang, and Takayuki Ito, "Multi-agent and Complex Systems", Studies in Computational Intelligence, Vol. 670, Springer Singapore, ISBN 978-981-10-2564-8, DOI 10.1007/978-981-10-2564-8, 2017.

6. Naoki Fukuta, Takayuki Ito, Minjie Zhang, Katsuhide Fujita, and Valentin Robu, "Recent Advances in Agent-based Complex Automated Negotiation", Studies in Computational Intelligence 638, Springer, April 25, 2016. ISBN 978-3-319-30305-5

7. Katsuhide Fujita, Takayuki Ito, Minjie Zhang, Valentin Robu: Next Frontier in Agent-Based Complex Automated Negotiation. Studies in Computational Intelligence 596, Springer, March 30, 2015, ISBN 978-4-431-55524-7

8. Quan Bai, Fenghui Ren, Minjie Zhang, Takayuki Ito, Xijin Tang, "Smart Modeling and Simulation for Complex Systems: Practice and Theory", Studies in Computational Intelligence 564, Springer-Verlag, ISBN: 978-4-431-55208-6 (Print) 978-4-431-55209-3 (Online), Jan 16, 2015.

9. Ivan Marsa-Maestre, Miguel A. Lopez-Carmona, Takayuki ITO, Minjie Zhang, and Katsuhide Fujita, "Novel Insights in Agent-based Complex Automated Negotiation", Seris of Studies in Computational Intelligence 535, Springer-Verlag, ISBN978-4-431-54757-0, March 5, 2014. 

10. Takayuki ITO, Minjie ZHANG, Valentin Robu, and Tokuro Matsuo, "Complex Automated Negotiations: Theories, Models, and Software Competitions", Series of Studies in Computational Intelligence 435, Springer-Verlag, ISBN 978-3-642-30736-2, 2012.

11. Takayuki ITO, Minjie ZHANG, Valentin Robu, Shaheen Fatima, and Tokuro Matsuo, "New Trends in Agent-Based Complex Automated Negotiations", Series of Studies in Computational Intelligence, Springer-Verlag, 2011, ISBN 978-3-642-24695-1, 2011.

12. Takayuki ITO, Minjie ZHANG, Valentin Robu, Shaheen Fatima, Tokuro Matsuo and Hirofumi Yamaki(Eds.), "Innovations in Agent-Based Complex Automated Negotiations", Series of Studies in Computational Intelligence, Springer-Verlag, 2010, ISBN 978-3642156113, 2010.

13. Jung Jin Yang, Makoto Yokoo, Takayuki ITO, Paul Scerri, and Zhi Jin, “Principles of Practice in Multi-Agent Systems: 12th International Conference, PRIMA 2009, Nagoya, Japan, December 14-16, 2009, Proceedings,” LNCS/LNAI, Vol. 5925 , 2009, ISBN: 978-3-642-11160-0.

14. Takayuki ITO, Minjie ZHANG, Valentin Robu, Shaheen Fatima and Tokuro MATSUO (Eds.), "Advances in Agent-Based Complex Automated Negotiations", Series of Studies in Computational Intelligence, Springer-Verlag, 2009. ISBN 978-3-642-03189-2.

15. Takayuki ITO, Hiromitsu HATTORI, Minjie ZHANG, and Tokuro MATSUO (Eds.), "Rational, Robust, and Secure Negotiations in Multiagent Systems", Series of Studies in Computational Intelligence, Springer-Verlag, ISBN 978-3-540-76281-2,2008.

16. Makoto YOKOO, Takayuki ITO, Tokuro MATSUO, Minjie ZHANG, and Juhnyoung LEE (Eds.), "Electronic Commerce : Mechanism Design and Applications", Series of Studies in Computational Intelligence, Springer-Verlag, ISBN 978-3-540-77808-0, 2008.

17. Takayuki ITO, Hiromitsu HATTORI, Minjie ZHANG, and Tokuro MATSUO (Eds.), "Rational, Robust, Secure Negotiations in Multiagent Systems", IEEE Computer Society, 2005. 

18. Takayuki Ito, Chapter on Coalition Formation in “Artificial Intelligence Encyclopedia”, Japan Society of Artificial Intelligence, Dec. 2005.

19. Takayuki Ito, Chapters on Electronic Commerce Support and Multi-Agent Systems in “Knowledge Science : 64 Keywords that restructuring knowledge”, Kinokuniya Books, Nov. 2002.

Guest Editorial (really selected)

1. Rafik Hadfi, Takayuki Ito, Susumu Ohnuma, Shun Shiramatsu (eds.), Guest Editorial: Special issue/Collection on AI and Democracy: Transformative Impacts, Challenges, and Solutions, in journal of AI & Society: Knowledge, Culture and Communication, 2024.

2. Quan Bai, Takayuki Ito and Minjie Zhang (Eds.), Guest Editorial: Special Issue on Automated Negotiation Technologies and their Applications, in Decision Support Systems, accepted in October 2011 and will be published in 2013. (This Journal DSS was ranked \A*" in former ERA 2010, Five-year Impact Factor: 2.33)

3. Minjie Zhang, Takayuki Ito and Tokuro Matsuo (Eds.), Guest Editorial: Special Issue on Automated Negotiation Techniques in Multiagent Systems, in Computational Intelligence, 2012. (Computational Intelligence was ranked \A" in former ERA 2010, 2012 Impact Factor: 0.971)

4. Minjie Zhang and Takayuki Ito (Eds.), Guest Editorial: Special Issue on Advances in Agent-mediated Automated Negotiations, in Multiagent and Grid Systems, Vol. 6, No. 5-6, IOS Press, 2010. (This Journal was ranked \B" in former ERA 2010 and published many reputable papers in the area of agent and multi-agent systems)

5. Minjie Zhang, Takayuki Ito, (Eds.), Guest Editorial: Special Issue on Complex Negotiation and Scheduling in Multi-Agent Systems, in International Transactions on Systems Science and Applications, 2009. 

6. and more 

International Journal

1. Sofia Sahab, Jawad Haqbeen, Rafik Hadfi, Takayuki Ito, Richard Imade ,Susumu Ohnuma, and Takuya Hasegawa, "E-contact Facilitated by Conversational Agents Reduces Interethnic Prejudice and Anxiety in Afghanistan", Communications Psychology (Nature Portfolio), Vol.2, No.22, 2024. (https://doi.org/10.1038/s44271-024-00070-z)

2. Rafik Hadfi and Takayuki Ito. “Structural Complexity Predicts Consensus Readability in Online Discussions”. Social Network Analysis and Mining. Springer Verlag, 2024 (Accepted) (IF=2.8)

3. Yihan Dong, Shiyao Ding, and Takayuki Ito. An Automated Multi-phase Facilitation Agent based on LLM. IEICE Transaction on Information and Systems, 2023.(Accepted)

4. Rafik Hadfi, Shun Okuhara, Jawad Haqbeen, Sofia Sahab, Susumu Ohnuma, and Takayuki Ito. "Conversational Agents Enhance Women's Contribution in Online Debates". Scientific Reports, 2023. (IF=4.9) (Accepted)

5. Wen Gu, Shohei Kato, Fenghui Ren, Guoxin Su, Takayuki Ito, Shinobu Hasegawa, "Influence Propagation Based Influencer Detection in Online Form", IEICE Transactions on Information and Systems, 2023 Volume E106.D Issue 4 Pages 433-442, April 1, 2023. https://doi.org/10.1587/transinf.2022IIP0010 

6. Susel Fernandez, Takayuki Ito, Luis Cruz-Piris, Ivan Marsa-Maestre, Fuzzy Ontology-Based System for Driver Behavior Classification, Sensors, 2022 (IF = 3.847). (Accepted)

7. Ian Estacio, Rafik Hadfi, Ariel Blanco, Takayuki Ito, Jennieveive Babaan, Optimization of tree positioning to maximize walking in urban outdoor spaces: a modeling and simulation framework, Sustainable Cities and Society, 2022,104105,ISSN 2210-6707, https://doi.org/10.1016/j.scs.2022.104105. (IF=11.3)

8. J. Haqbeen, S. Sahab, T. Ito. Facilitating discussion on COVID-19 with autonomous facilitator: A case study on the comparison of expert discussion versus the public paradigm ratio of reply for agent facilitation post. Journal of Intelligent Informatics and Smart Technology. Volume 8, Issue 2 October 2022, pp 22-1-22-8. 

9. Jingli Shi, Weihua Li, Quan Bai, and Takayuki Ito, BeeAE: effective aspect term extraction with artificial bee colony, The Journal of Supercomputing, Springer-Nature, May 26, 2022. (IF=2.473) https://doi.org/10.1007/s11227-022-04579-0

10. Takayuki Ito, Rafik Hadfi, and Shota Suzuki, An Agent that Facilitates Crowd Discussion: A Crowd Discussion Support System based on an Automated Facilitation Agent, Group Decision and Negotiation Journal, The Special Issue on Negotiation Systems and Studies (Celebrating the life and work of Gregory Kersten), 2021. (IF=2.648) https://doi.org/10.1007/s10726-021-09765-8

11. Jawad Haqbeen, Sofia Sahab, Takayuki Ito and Paola Rizzi “Using Decision Support System to Enable Crowd Identify Neighborhood Issues and Its Solutions for Policy Makers: An Online Experiment at Kabul Municipal Level” Journal: Sustainability, (IF 2.576) ,2021. https://doi.org/10.3390/su13105453

12. Wen Gu, Ahmed Moustafa, Takayuki Ito, Minjie Zhang, Chunsheng Yang, “A Case-based Reasoning Approach for Supporting Facilitation in Online Discussions”, Group Decision and Negotiation Journal (impact factor 2.40) https://doi.org/10.1007/s10726-021-09731-4

13. Rafik Hadfi, Jawad Haqbeen, Sofia Sahab and Takayuki Ito. Argumentative Conversational Agents for Online Discussions.Journal of Systems Science and Systems Engineering. Special Issue on　AI-enabled System Simulation and Modelling, 2020 (impact factor 1.2) https://doi.org/10.1007/s11518-021-5497-1

14. Muhammad Asad, Ahmed Moustafa, Takayuki Ito, “FedOpt: Towards Communication Efficiency and Privacy Preservation in Federated Learning” Journal: Applied Sciences, 2020. IF=2.217. 

15. Shun Okuhara and Takayuki Ito, “Compromising Strategies for Agents in Multiple Interdependent Issues Negotiation”, IEICE Transactions on Information and Systems,2020 

16. Jose Manuel Gimenez-Guzman, Ivan Marsa-Maestre, David Orden, Enrique de la Hoz, and Takayuki Ito, “On the Goodness of Using Orthogonal Channels in WLAN IEEE 802.11 in Realistic Scenarios,” Wireless Communications and Mobile Computing, vol. 2018, Article ID 5742712, 11 pages, 2018. https://doi.org/10.1155/2018/5742712.

17. Tomohiro Nishida, Takanori Ito, Takayuki Ito, “Verification of Effects Using Consensus-Building Support System in Continuous Workshops for City Development,” Journal of the Science of Design, Nov. 2018(accepted)

18. Satoshi KAWASE, Takayuki ITO ,Takanobu OTSUKA,Akihisa SENGOKU, Shun SHIRAMATSU,Tokuro MATSUO,Tetsuya OISHI,Rieko FUJITA,Naoki FUKUTA, and Katsuhide FUJITA, "Cyber-physical hybrid environment using a largescale discussion system enhances audiences’ participation and satisfaction in the panel discussion", The IEICE Transactions on Information and Systems, 2018 (accepted). 

19. Susel Fernández and Takayuki Ito, Semantic integration of sensor data with SSN ontology in a multi-agent architecture for Intelligent Transportation Systems, IEICE Transactions, 2017 (accepted). 

20. Jawad Ahmad Haqbeen,Takayuki Ito, Mohammad Arifuzzaman, Takanobu Otsuka, “Design of Joint Cooperative Routing, MAC and Physical Layer with QoS-aware Traffic-based Scheduling for Wireless Sensor Networks”, International Journal of Networked and Distributed Computing ISSN (print): 2211-7938/ ISSN (on-line): 2211-7946, Volume 5, Issue 3, pp. 164 - 175, 2017.

21. Jawad Ahmad Haqbeen, Takayuki Ito, Mohammad Arifuzzaman, and Takanobu Otsuka, An Intelligent Cross-Layer QoS-Aware Protocol with Traffic-Differentiation-Based for Energy Efficient Communication in WSNs, International Journal of Networked and Distributed Computing ISSN (print): 2211-7938/ ISSN (on-line): 2211-7946, Volume 5, Issue 2, pp. 80 - 92, April 2017.

22. Takayuki Ito, Takanobu Otsuka, Satoshi Kawase, Akihisa Sengoku, Shun Shiramatsu, Takanori Ito, Eizo Hideshima, Tokuro Matsuo, Tetsuya Oishi, Rieko Fujita, Naoki Fukuta, Katsuhide Fujita, Experimental Results on Large-scale Cyber-Physical Hybrid Discussion Support, International Journal of Crowd Science, Emerald Publishing, ISSN 2398-7294, 2017. (to appear)

23. Rafik Hadfi, Sho Tokuda, and Takayuki Ito. "Traffic Simulation in Urban Networks using Stochastic Cell Transmission Model". Computational Intelligence. Received 15 October 2015; Revised 21 November 2016; Accepted 12 December 2016

24. Keisuke Hara, Takayuki Ito, A Scoring Rule-based Truthful Demand Response Mechanism, International Journal of Networked and Distributed Computing ISSN (print): 2211-7938/ ISSN (on-line): 2211-7946, Volume 4, Issue 3, pp. 182 - 192, July 2016.

25. Susel Fernández, Rafik Hadfi, Takayuki Ito, Iván Marsá, Juan R. Velasco Ontology-based architecture for Intelligent Transportation Systems using a Traffic Sensor Network Special Issue "Sensors for Autonomous Road Vehicles", Sensors (IF=2.437), 2016 (accepted).

26. Sho Tokuda, Ryo Kanamori, and Takayuki Ito, "A Modification of the Stochastic Cell Transmission Model for Urban Networks”, International Journal of Intelligent Transportation Systems Research, 2016 (accepted).

27. Pankaj Mishra, Rafik Hadfi and Takayuki Ito, Role of Human Emotions in Social Influence, International Journal of Information Technology, Vol 22, No 02, 2016. (online)

28. Takanobu Otsuka, Yoshitaka Torii, Takayuki Ito, “Anomaly Weather Information Detection using Wireless Pressure-Sensor Grid”， Journal of Information Processing (JIP), Vol.23, No.6, Information Processing Society of Japan (IPSJ), 2015.

29. Tim Baarslag, Reyhan Aydogan, Koen V. Hindriks, Katsuhide Fuijita, Takayuki Ito, and Catholijn M. Jonker, "The Automated Negotiating Agents Competition 2010-2015”,pp.115-118, AI Magazine, Winter, 2015.

30. Rafik Hadfi and Takayuki Ito, "Complex Multi-Issue Negotiation using Utility Hyper-graphs", Journal of Advanced Computational Intelligence and Intelligent Informatics (JACIII), Vol.19 No.4, 2015 (in press).

31. Rafik Hadfi and Takayuki Ito. "An Agent-mediated Architecture for Collective Collaborative Design". International Journal of Electronics Communication and Computer Engineering (IJECCE), , 6(2), 210-216,2015.

32. Rafik Hadfi and Takayuki Ito. ``Low-Complexity Exploration in Utility Hypergraphs''. Journal of Information Processing. Vol. 23, No. 2 pp. 176-184, 2015.

33. Raiye Hailu, Takayuki Ito, "Efficient Deal Identification by Constraint Relaxation for Collaborative Decision Making Using Negotiation", Journal of Advanced Computational Intelligence and Intelligent Informatics (JACIII), Vol. 18, No.4, 2014 (to appear).

34. Ivan Marsá-Maestre, Miguel A. López-Carmona, Mark Klein, Takayuki Ito, Katsuhide Fujita: Addressing Utility Space Complexity in Negotiations involving Highly Uncorrelated, Constraint-Based Utility Spaces. Computational Intelligence 30(1): 1-29 (2014).

35. Katsuhide Fujita, Takayuki Ito, and Mark Klein, "An Approach to Scalable Multi-issue Negotiation: Decomposing the Contract Space", Computational Intelligence 30 (1), pp30-47, doi: 10.1111/j.1467-8640.2012.00462.x., 2014.

36. Shantanu Chakraborty,Takayuki Ito, “Smart Pricing Scheme: A Multi-layered Scoring Rule Application”, International Journal: Expert Systems and Application (Elsevier),Volume 41, Issue 8, Pages 3726–3735(IF=2.339), 15 June 2014.

37. Shantanu Chakraborty and Takayuki Ito, "Intelligent Resource Scheduling in Green Smart Grid Considering Uncertainties", Journal of Information Processing, Vol.22, No.2, IPSJ, 2014 (accepted). (Selected as a Specially Selected Paper)

38. Satoshi Takahira, Ryo Kanamori, and Takayuki Ito, "Experiment on Activity-Travel Survey System based on Scheduling System",Journal of Information Processing, IPSJ, Vol.22, No.2, 2014 (accepted).

39. Ryo Kanamori, Jun Takahashi, and Takayuki Ito, "Evaluation of Traffic Management Strategies with Anticipatory Stigmergy",Journal of Information Processing, IPSJ, Vol.22, No.2, 2014 (accepted).

40. Shantanu Chakraborty, Takayuki Ito, Tomonobu Senjyu, "Fuzzy Logic Based Thermal Generation Scheduling Strategy with Solar-Battery System Using Advanced Quantum Evolutionary Method," IET-Generation, Transmission and Distribution, Volume 8, No.3, pages 410-420, March 2014 (IF=1.41).

41. Takanobu Otsuka,Takayuki Ito, “Flexible WSNs Aims Easy Installation With Noise Reduce Method For Elderly People Care”, The International Journal of Networked and Distributed Computing, ISSN (print): 2211-7938/ ISSN (on-line), Volume 1, Issue 3, pp.2211-7946, July 2013(Invited Paper).

42. Shantanu Chakraborty, Takayuki Ito, Tomonobu Senjyu, AY Saber, Intelligent Economic Operation of Smart-grid Facilitating Fuzzy Advanced Quantum Evolutionary Method. IEEE Transactions on Sustainable Energy, Volume 4, issue 4, p. 905-916, October 2013.

43. Tim Baarslag, Katsuhide Fujita, Enrico Gerding, Koen Hindriks, Takayuki Ito, Nick R. Jennings, Catholijn Jonker, Sarit Kraus, Raz Lin, Valentin Robu, Colin Williams, Evaluating Practical Negotiating Agents: Results and Analysis of the 2011 International Competition, Artificial Intelligence Journal (AIJ), Elsevier Science, Vol. 198, May 2013, pp. 73–103, 2013. ( DOI:10.1016/j.artint.2012.09.004)(IF=2.511)

44. Katsuhide Fujita, Takayuki Ito, Mark Klein "Efficient issue-grouping approach for multiple interdependent issues negotiation between exaggerator agents", Decision Support Systems, 6 June 2013, ISSN 0167-9236, http://dx.doi.org/10.1016/j.dss.2013.05.016.. (IF=2.135)

45. Shantanu Chakraborty, Takayuki Ito, Tomonobu Senjyu, Ahmed Y Saber, "Unit Commitment Strategy of Thermal Generators by Using Advanced Fuzzy Controlled Binary Particle Swarm Optimization Algorithm",International Journal of Electrical Power and Energy Systems, Volume 43, issue 1 (December, 2012), p. 1072-1080. ISSN: 0142-0615 DOI: 10.1016/j.ijepes.2012.06.014, Elsevier Science, 2012(IF=3.43).

46. Hiroki Nakagawa, Akihiko Nagai, Takayuki Ito, "A Middle-Agent Framework Focused on the Role of Distributors", Journal of Information Processing, Information Processing Society of Japan (IPSJ), Vol. 53, No. 5, 2012-05-15.).

47. Iván Marsá Maestre, Miguel Angel Lopez Carmona, Mark Klein, Takayuki Ito, "Addressing Stability Issues in Mediated Complex Contract Negotiations for Constraint-based, Non-monotonic Utility Spaces", Journal of Autonomous Agents and Multi-Agent Systems (IF = 1.51), 2011. 

48. Yuhong Liu, Chunsheng Yang, Yubin Yang, Fuhua Lin, Xuanmin Du, and Takayuki Ito, "Case Learning for CBR-Based Collision Avoidance Systems", International Journal of Applied Intelligence (IF=0.998), 2010.

49. Katsuhide Fujita, Takayuki Ito, and Mark Klein: "Representative-based Multi-Round Protocol for Multiple Interdependent Issues Negotiations", Journal of Multiagent and Grid Systems, ios press, 2010 (accepted). 

50. Masao Kobayashi, Takayuki Ito, and Satoshi Ando, "Auction Network Trust: Evaluating User Reputations From Trading Relationships in Electronic Commerce Networks", Web Intelligence and Agent Systems: An International Journal, IOS Press, 2010 (accepted). 

51. Katsuhide Fujita, Takayuki Ito, and Mark Klein, "A Secure and Fair Protocol that Addresses Weaknesses of the Nash Bargaining Solution in Nonlinear Negotiation", Group Decision and Negotiation Journal (IF=0.783), March 2010 (online), 2012 (print)

52. Katsuhide Fujita, Takayuki Ito,and Mark Klein, "Secure and Efficient Protocols for Multiple Interdependent Issues Negotiation," Journal of Intelligent and Fuzzy Systems (IF=0.74), Vol. 21, pp. 175-185, 2009. 

53. Naoki Fukuta and Takayuki Ito, Fine-grained efficient resource allocation using approximated combinatorial auctions, Web Intelligence and Agent Systems: An International Journal No.5, pp. 1-21, IOS Press, 2009.

54. Katsuhide Fujita and Takayuki Ito, An Analysis of Computational Complexity of the Threshold Adjusting Mechanism in Multi-Issue Negotiations, International Transactions on Systems Science and Applications,SIWN, Vol.4, No.4, pp.305-311, 2008.

55. Takayuki Ito, Mark Klein, and Hiromitsu Hattori: "A Multi-Issue Negotiation Protocol among Agents with Nonlinear Utility Functions: A Preliminary Report", Journal of Multiagent and Grid Systems, ios press, Vol 4, No. 1, pp.67-83, 2008. 

56. Takayuki Ito, Makoto Yokoo, Shigeo Matsubara, and Atsushi Iwasaki: "Implementing A Strategyproof Greedy-Allocation Combinatorial Auction and Extending to Ascending Auction," Systems and Computers in Japan, John Wiley & Sons, Inc., 2006.

57. Ahlem Ben Hassine, Takayuki Ito, and Ho Tu Bao, : "Meeting Scheduling Solver Enhancement with Local Consistency Reinforcement", Applied Intelligence, Kluwe Academic Publishers, inc., 2005 (to appear). (a selected paper in IEA/AIE2004)

58. Takayuki Ito, Shigeo Matsubara, and Makoto Yokoo,: "Towards a Combinatorial Auction Protocol among Experts and Amateurs: The Case of Single-Skilled Experts," Systems and Computers in Japan, John Wiley & Sons, Inc., 2005 (to appear).

59. Tokuro MATSUO, Takayuki ITO, "A Group Formation Support System based on Substitute Goods in Group Buying", Systems and Computers in Japn , John Wiley & Sons,Vol.35, No.10, pp. 23-31, John Wiley & Sons, September 2004.

60. Takayuki Ito, Hiromitsu Hattori, and Toramatsu Shintani,: ``A Cooperative Exchanging Mechanism among Seller Agents for Group-based Sales,'' in the International Journal of Electronic Commerce Research and Applications (ECRA), Elsevier Science, Vol.1, No.2, pp. 138-149, Oct. 2002 (a selected paper in PAIS01).

61. Takayuki Ito, Hiroyuki Ochi, and Toramatsu Shintani,: ``A Group Buy Protocol based on Coalition Formation for Agent-mediated E-Commerce,'' in the International Journal of Computer and Information Science( IJCIS), Vol. 3, No. 1, pp.11-20, 2002 (a selected paper in SNPD01).

62. Takayuki Ito and Toramatsu Shintani,: ``Persuasion Based on Exchanging for Cooperative Scheduling,'' Systems and Computers in Japan, John Wiley & Sons, Inc., Vol.30, No.7, pp.1-8, June 30, 1999.

63. Takayuki Ito and Toramatsu Shintani,: ``An Utility Revision Mechanism based on User's Subjective Decision Hierarchy for Multi-agent based Group Decision Support Systems,'' Journal of Advanced Computational Intelligence, Vol.3, No.3, pp.207-211, 1999.

64. Takayuki Ito and Toramatsu Shintani,: ``On a Mechanism of Persuasion Among Agents for Group Choice Design Supprt Systems,'' Systems and Computers in Japan, Vol.29, No.5, pp.20-28, John Wiley & Sons, Inc., May, 1998.

Journal (in Japanese)

1. 浅間慶二郎, 伊藤孝行, マルチエージェント深層強化学習における協調を促進する組織構造, 電子情報通信学会論文誌D,電子情報通信学会,2024(採録決定). 

2. 奥原俊, 伊藤孝行, 事前交渉により交渉順序を調整する自動交渉プロトコル, 人工知能学会論文誌, 第39巻 1号, No. M24, 2024.1.1. https://doi.org/10.1527/tjsai.39-1_B-M24.

3. 伊藤孝行, 松尾徳朗, 大沼進, 白松俊, "解説: ハイパーデモクラシーを目指して-AIに基づくWeb議論支援システムとその社会実装-",電子情報通信学会誌, Vol. 106, No.3, pp.230-237, 2023.03.01. 

4. 堀田 竜士, 伊藤 孝行, 共創活動の成果創出を促進する要因の検証, 人工知能学会論文誌 2021. 

5. 酒井敦也, ファムユイ, 鈴木祥太, 佐藤拓実, 川村直輝, 伊藤孝行, 議論におけるGated Attention Network を用いたノード分類, 人工知能学会論文誌 2021

6. Natsuki Matsunami, Shun Okuhara and Takayuki Ito, Reward Design for Multi-Agent Reinforcement Learning with a Penalty Based on the Payment Mechanism, Journal of Japanese Society for Artificial Intelligence, 2021. DOI https://doi.org/10.1527/tjsai.36-5_AG21-H

7. 松波夏樹，奥原俊，伊藤孝行：連続空間の追跡問題におけるLearder指示に基づくチームワークの学習，人工知能学会論文誌 2021. DOI  https://doi.org/10.1527/tjsai.36-5_E-K62

8. 長尾 確, 大沢 英一, 伊藤 孝行, レクチャーシリーズ：「人工知能の今」〔第8 回〕エージェント・マルチエージェントの過去と現在, 人工知能, 2020, 35 巻, 3 号, p. 430-443, 公開日 2020/09/29, Online ISSN 2435-8614, Print ISSN 2188-2266, https://doi.org/10.11517/jjsai.35.3_430, https://www.jstage.jst.go.jp/article/jjsai/35/3/35_430/_article/-char/ja

9. 萩原誠, 伊藤孝行 , Ahmed Moustafa: Q学習と役職推定に基づく人狼知能エージェントの作成, 情報処理学会論文誌「エージェント理論･技術とその応用」特集(Accepted), pp.1728 - 1737, Vol.60, No.10 2019.

10. 奥原俊, 濱田 大槻, 伊藤 孝行, Ahmed Moustafa, 過去交渉情報を元にK-近傍法を用いた自動交渉エージェントの試作, 情報処理学会論文誌「エージェント理論･技術とその応用」特集(Accepted), pp.1662 - 1671, Vol.60, No.10 2019.

11. 伊藤孝行,鈴木祥太,山口直子,西田智裕,平石健太郎,芳野魁, 大規模合意形成支援システム ～ICTによる議論の規模拡張～, システム制御情報学会誌「システム／制御／情報」，Vol. 63, No.10,p.440-446 2019.10.15. 

12. 堀田 竜士，三井実，伊藤 孝行，白松 俊，藤田 桂英，福田 直樹, 研究者と市民の共創を生み出す研究会の提案, 人工知能学会論文誌, 第34巻4号, 2019.07.01. (採択)

13. 堀田竜士，仙石晃久，伊藤孝行，多地域移動型の共創を支援するソーシャルメディアシステムの試作と評価，人工知能学会論文誌，Vol 34, Nov.2, 2019. https://doi.org/10.1527/tjsai.F-I57　

14. 浜田 良樹, 松尾 徳朗, 伊藤孝行, ELSI委員会による合意形成システムと社会との融和, 人工知能, 人工知能学会論文誌, No. I13, 第33巻5号, p. A-I13_1-4, J-STAGE, 受 理 日：2018.01.17, 採 録 日：2018.05.30, 2018（採録決定）

15. 伊藤孝行, エージェント技術に基づく大規模合意形成支援システムの創成, 経営システム, 経営工学会,20180201.

16. 西田智裕, 伊藤孝紀, 福島大地, 仙石晃久, 伊藤孝行, ワークショップにおける対面式と非対面式を組合せた手法の検証, 日本デザイン学会研究論文集, 64 巻 4 号 p. 4_39-4_48, 2017

17. 大塚孝信, 北澤裕司, 伊藤孝行, “持続可能な海産養殖のための海水温予測アルゴリズムの提案” , 情報処理学会論文誌, ネットワークサービスと分散処理（59-2）特集号, Vol 59, No 2, pp 442-449, 2018.02.15, ISSN 1882-7764.

18. 伊藤 孝紀, 深町 駿平, 杉山 弓香, 西田 智裕, 秀島 栄三, 伊藤 孝行合意形成支援システムを利用した域学連携手法の有効性, 日本建築学会計画系論文集, 第82巻, 第742号, 2017年12月

19. 大塚孝信，鳥居義高，伊藤孝行，”用途に応じたセンサ接続可能なWSNシステムの実装とフィールド応用”，電子情報通信学会論文誌B，2017

20. 伊藤 孝行, 藤田 桂英, 松尾 徳朗, 福田 直樹, エージェント技術に基づく大規模合意形成支援システムの創成 ─自動ファシリテーションエージェントの実現に向けて─, 人工知能学会誌 Vol. 32 No. 5 (20170901).

21. 新美真，榎優一，伊藤孝行，"動的なコミュニティ形成に基づく電力融通手法：カーネルに基づく提携形成プロトコルDNPK-CFMの具体化"，情報処理学会論文誌，2016(採択済)

22. 大塚孝信，鳥居吉高，伊藤孝行，伊藤孝紀，秀島栄三，”災害被害把握を目的とした自律分散WSNの課題と実装”，人工知能学会 論文誌 Vol.31 No.6 (2015, 10) 人工知能学会30周年記念特集号

23. 藤田桂英，森顕之, 伊藤孝行, "ANAC：Automated Negotiating Agent Competition（国際自動交渉エージェント競技会）," 人工知能, Vol.31, No.2, 2016. 

24. 伊藤孝行，マルチエージェントによる社会推論，エネルギーレビュー，Vol.422, 2016.03.

25. 早川知道, 伊美裕麻, 伊藤孝行, “東日本大震災のクライシスマッピングの調査分析による日本のOpenStreetMapの発展のための課題”,情報処理学会論文誌 特集号” 創造する時代のコラボレーション支援とネットワークサービス” （採録）

26. 伊藤孝紀，深町駿平，田中恵，伊藤孝行，秀島栄三，「ファシリテータに着目した合意形成支援システムの検証と評価ーオフィス家具の商品開発を事例とする」，日本デザイン学会，2015（採択決定）

27. 早川知道, 伊美裕麻, 伊藤孝行, “日本のOpenStreetMapにおけるコミュニティ発展と継続のための分析と課題”,日本工業経営学会論文誌 集合知メカニズムとコミュニケーション場の設計と応用 特集号, Vol.66, No.4 , 2015（掲載予定）

28. 伊美裕麻，伊藤孝行，伊藤孝紀，秀島栄三，"オンラインファシリテーション支援機構に基づく大規模意見集約システムCOLLAGREE - 名古屋市次期総合計画のための市民議論に向けた社会実装"，情報処理学会論文誌, 2015（採録決定）. 

29. 新美真，伊藤孝行, “動的報酬予算制限多腕バンディット問題とアルゴリズムの提案”, 情報処理学会 論文誌 2015年10月号 E-Service and Knowledge Management toward Smart Computing Society特集

30. 森 顕之，伊藤 孝行，”推定期待効用に基づく自動交渉エージェントの提案”, 情報処理学会 論文誌 2015年10月号 E-Service and Knowledge Management toward Smart Computing Society特集, 2015.

31. 奥原俊，朝日大貴，伊藤孝行，“敬語習熟度に基づく学習支援システムの実装”，コンピュータ＆エデュケーション Vol.38 （一般社団法人CIEC：コンピュータ利用教育学会），2015/6/1(採録)

32. 伊藤孝行，奥村命，伊藤孝紀，秀島栄三，"多人数ワークショップのための意見集約支援システムCollagree の試作と評価実験～議論プロセスの弱い構造化による意見集約支援～", 日本経営工学会論文誌，Vol.66, No.2，2015（掲載決定）．

33. 伊藤孝行，"マルチエージェントの自動交渉モデルとその応用”，情報処理学会学会誌，Vol.55, No.6, pp563-571, 2014-5-15.

34. 大塚孝信，Deyue Deng，伊藤孝行，”３単語共起フィルタリングによる有害文書分類手法と大規模データ処理”，電気学会論文誌C（電子・情報・システム部門誌），Vol. 134,pp.168-175, 2014.1.1.http://dx.doi.org/10.1541/ieejeiss.134.168.

35. 金森亮，高橋淳，伊藤孝行，"ドライバーの経路選択行動を考慮した予見的情報に基づく経路割当戦略に関する研究", 電子情報通信学会論文誌 D   Vol.J96-D   No.12   pp.3009-3018, Dec. 2013． 

36. 原 圭佑, 伊藤 孝行, "経時的に変化する効用に基づくエージェント間自動交渉の仲介メカニズムの提案"，電子情報通信学会論文誌D，Vol.J96-D,No.12,pp.2900-2907, Dec. 2013．

37. 伊藤孝行，金森亮，Shantanu Chakraborty，大塚孝信，原圭佑，未来の社会システムを支えるマルチエージェントシステム研究（1）―経済パラダイム，交渉エージェント，交通マネージメント―，人工知能学会誌，Vol.28，No. 3，pp. 360-367，2013年5月. 

38. 伊藤孝行，Shantanu Chakraborty，大塚孝信，金森亮，原圭佑，未来の社会システムを支えるマルチエージェントシステム研究（2）―電力システムおよびワイヤレスセンサネットワークへの応用―，人工知能学会誌，Vol.28，No. 3，pp. 368-379, 2013年5月．

39. 伊藤孝行，”インターネット取引における非対称情報と評判システムについて”, 廃棄物資源循環学会，Vol.24, No.3, pp.177-182, 2013.

40. 金森亮，高橋淳，伊藤孝行，"予見的情報に基づく経路割当戦略に関する研究"，電気学会論文誌C（電子・情報・システム部門誌）（エージェント特集号），Vol.133, No.9, 電気学会，pp.1645-1651, 2013.

41. 永井明彦, 伊藤孝行,"半導体ベンチャーの製品戦略と課題解決に関する一考察"開発工学,日本開発工学会,Vol.33(1), 2013（採録済）

42. 金森 亮，森川高行，奥宮正哉，山本俊行，伊藤孝行：電気自動車の普及による都市交通と電力需要への影響分析，土木学会論文集D3，Vol.68 No.5，pp.I_1243- I_1252，2012年12月．

43. 永井明彦，中川裕揮，伊藤孝行，田辺孝二，日本のファブレス半導体ベンチャーの特定市場向けLSI による市場参入における半導体商社との協調の有効性-デジタルパチンコ用画像処理LSI の事例-，研究・技術計画学会，2012 (採択済）．

44. 藤田桂英，伊藤孝行，Mark Klein，"大規模交渉問題における論点グループ数の調整に基づいた自動合意形成機構", 情報処理学会論文誌 52(4), 1727-1738, 2011-04-15, 2011．

45. 伊藤孝行，"マルチエージェントの自動交渉機構と集合的コラボレーション支援への応用", 経営システム，日本経営工学会，Vol.20, No.5, pp. 255-262010．

46. 藤田桂英，伊藤孝行，Mark Klein，"複数論点交渉問題における論点グループに基づくスケーラブルな合意形成手法の提案", 人工知能学会論文誌 26(1), 147-155, 2011. 

47. 伊藤孝行，"マルチエージェントの自動交渉モデルとその応用", 知能と情報（日本知能情報ファジィ学会誌），Vol.22, No.3, pp.295-302, 2010．

48. 藤田桂英，伊藤孝行，Mark Klein，"複数論点交渉問題におけるセキュアでスケーラブルな交渉プロトコルの提案", 電気学会論文誌(C)，vol. 130, no. 4, pp.651-659, 2010．

49. 小林真雄，安藤哲志，伊藤孝行, "Auction Network Trust：電子商取引ネットワークにおけるユーザ間の関係を利用した評判メカニズム", 電子情報通信学会論文誌D-I,「ソフトウェアエージェントとその応用特集号」， 電子情報通信学会, Vol. J92-D, No.11, pp. 1869-1880, 2009.

50. 伊藤孝行，"計算論的メカニズムデザイン "，コンピュータソフトウェア（日本ソフトウェア科学会論文誌）「ソフトウェアエージェントとその応用特集号」，日本ソフトウェア科学会，Vol. 25, No.4, pp.20-32, 2008. 

51. 藤田桂英，伊藤孝行，服部宏充，"複数論点交渉問題におけるエージェントの効用空間の公開範囲に基づく交渉手段の実現 "，コンピュータソフトウェア（日本ソフトウェア科学会論文誌）「ソフトウェアエージェントとその応用特集号」，日本ソフトウェア科学会, Vol. 25, No.4, pp.167-180, 2008. 

52. 福田直樹，伊藤孝行，"短時間再割り当てを考慮した組み合わせオークション勝者決定の高速近似手法”，コンピュータソフトウェア（日本ソフトウェア科学会論文誌）「ソフトウェアエージェントとその応用特集号」，日本ソフトウェア科学会，Vol. 25, No.4, pp.208-225, 2008. 

53. 服部宏充，伊藤孝行，Mark Klein，"複数論点交渉問題のための効用空間の絞り込みに基づくマルチエージェント交渉手法"，電子情報通信学会論文誌D-I,「ソフトウェアエージェントとその応用特集号」， 電子情報通信学会, D-I, Vol. J90-D, No.9, pp.2336-2348, 2007.

54. 福田直樹，伊藤孝行，"組み合わせオークションにおける多数入札時での勝者決定の近似解法に関する一考察"，電子情報通信学会論文誌D-I,「ソフトウェアエージェントとその応用特集号」， 電子情報通信学会, D-I,  Vol. J90-D, No.9, pp.2324-2335, 2007.

55. 伊藤孝行，David C. Parkes，"相互依存価値モデルに基づく不確定入札を用いた真実申告最良な組合せオークションの実現"，電子情報通信学会論文誌D-I, 電子情報通信学会, D-I, Vol. J90-D, No.5, pp.1219-1228, 2007.

56. 伊藤孝行，David C. Parkes，"不確定入札に基づく真実申告最良な相互依存価値オークション"，電子情報通信学会論文誌D-I, 電子情報通信学会, D-I, Vol. J90-D, No.5, pp.1209-1218, 2007.

57. 服部宏充，伊藤孝行，Mark Klein，"非線形効用関数を持つエージェントのためのオークションに基づく交渉プロトコル"，電子情報通信学会論文誌D-I, 電子情報通信学会, VOl. J89-D, No. 12, pp.2648-2660, 2006.

58. 伊藤孝行, 横尾真, 松原繁夫, 岩崎敦 : "Greedyな割当て手法に基づくStrategy-proofな組合せオークションプロトコルと公開競上げ式プロトコルへの拡張", 電子情報通信学会論文誌D-I，電子情報通信学会，VOl. J89-D, No. 5, pp.943-953, 2006．

59. 西健太郎，田代慎治，松尾徳朗，伊藤孝行，新谷虎松，"既存Webブラウザを利用したオ ンライン編集可能なWebページの実現",電気学会論文誌C, 2005 ．

60. 伊藤孝行, 横尾真, 松原繁夫 : "多様な興味を持つ専門家と素人が存在する場合の組合わせオークショ ン",人工知能学会論文誌，人工知能学会，Vol. 20, No. 2, pp.84-93, 2005.

61. 服部宏充，磯村厚誌，伊藤孝行，大囿忠親，新谷虎松，"動的重み付き最大制約充足問題に 基づくナーススケジューリングシステムー暫定制約の導入に基づく解の安定性の実現ー"，人工知能学会論文誌, Vol. 20, No. 1, pp.25-35, 2005.

62. 伊藤孝行，大栗和久，”確率推論に基づく位置情報推定システムの実現"，情報処理学会論文誌，情報処理学会，Vol. 45, No.12, pp.2792-2804, 2004．

63. 松山学，新谷虎松，伊藤孝行，平岡佑介，渡辺倫，"論文収集・共有システムMiDocに おけるユーザプロファイル生成のためのキーワード抽出手法",電気学会論文誌C, pp. 2489-2494, Vol. 124, No. 12, 2004 ．

64. 保知良暢，新谷虎松，伊藤孝行，大囿忠親，"外部評価機構を導入したマルチエージェント 強化学習における過去の事例に基づく報酬配分"，電子情報通信学会論文誌D-I，電子情報通信学会，Vol. J87-D1, No.12, pp.1119-1127, 2004．

65. 伊藤孝行, 横尾真, 松原繁夫 : "専門家と素人が存在する場合の組合わせオークションー専門 家が単一財にのみ専門知識を持つ場合ー",電子情報通信学会論文誌D-I，電子情報通信学会, Vol. J87-D-I, No. 10, pp.920-930, 2004.

66. 松尾徳朗，伊藤孝行："代替財共同購入における買い手の多属性な嗜好に基づいたグルー プ統合支援機構",電子情報通信学会論文誌D-I，電子情報通信学会, Vol. J86-D-I, No.10, pp.762-772, Oct. 2003.（電気通信普及財団テレコムシステム技術 学生賞2004受賞）

67. 服部宏充，伊藤孝行，新谷虎松： "P2P に基づく分散型電子マーケットE-GarageSaleにおけるエージェントの財の交換に基づく交渉手法"，人工知能学会論文誌，人工知能学会, Vol. 18, No.2, pp. 66-74, 2003．

68. 伊藤孝行, 横尾真, 松原繁夫 "自然の選択の情報に非対称性が存在する場合のオークションプロト コルの設計", コンピュータソフトウェア，日本ソフトウェア科学会，Vol.20, No.1, pp.16-26, 2003.

69. 伊藤孝行, 服部宏充, 新谷虎松: ``エージェント間の協調的入札機構に基づく複数オークション入 札支援システムBiddingBot",人工知能学会論文誌, 人工知能学会, pp.247-258, Vol. 17, No. 3, 2002.

70. 伊藤孝行, 新谷虎松: ``マルチエージェントシステムのための実装技術とその応用'', 人工知能学会誌, 人工知能学会, Vol. 16, No. 4, pp. 469-475, July 2001.

71. 伊藤孝行, 新谷虎松: ``モバイルエージェント間の多重交渉に基づくグルー プ代替案選択支援システムについて'',情報処理学会論文誌, 情報処理学会, Vol. 39, No.12, pp. 3165-3176, 1998.

72. 伊藤孝行, 新谷虎松: ``協調的なスケジューリングのための交換条件の提示による説得手 法'', 電子情報通信学会論文誌D-I, 電 子情報通信学会, Vol. J81-D-I, No.9, pp. 1099-1106, 1998.

73. 伊藤孝行, 新谷虎松: ``グループ代替案選択支援システムにおけるエージェント間の説得 機構について'', 電子情報通信学会論文誌D-II, 電子情報通信学会, Vol. J80-D-II, No. 10, pp. 2780-2789, 1997.

Rigorously Refereed International Conference Papers (Collective Intelligence, Multiagent Systems, AI, etc.)

1. KAZUHITO MORI, SHIYAO DING, SUSUMU OHNUMA, YUME SOUMA and TAKAYUKI ITO, “Automatic Evaluation of Discussion Quality Using LLM Data Augmentation”, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29

2. Takayuki Ito, Yihan Dong, Jawad Haqbeen, Sofia Sahab, and Tokuro Matsuo, Multiple AI Agents that Support Crowd Discussion, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29.

3. Moeka Nomura, Takayuki Ito, Shiyao Ding,Towards Collaborative Brainstorming among Humans and AI Agents: An Implementation of the IBIS-based Brainstorming Support System with Multiple AI Agents, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29.

4. Yihan Dong and Takayuki Ito, “The Multi-agent System based on LLM for Online Discussions”, Doctoral Consortium, Aukland, New Zealand, AAMAS2024, May 6-10, 2024. 

5. Rafik Hadfi and Takayuki Ito, Augmented Democratic Deliberation: Can Conversational Agents Boost Deliberation in Social Media?, Blue Sky Ideas track, International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2022), 2022.

6. WenGu, Shohei Kato, Takayuki Ito, Automated Facilitation Support in Online Forum, In the Proceedings of International Joint Conference on Artificial Intelligence (IJCAI2021), Doctoral Consortium, Online, 2021. 

7. Jawad Haqbeen, Takayuki Ito, Rafik Hadifi, Tomohiro Nishida, Zoia Sahab, Sofia Sahab, Shafiq Roghmal and Ramin Amiryar, “Promoting Discussion with AI-based Facilitation: Urban Dialogue with Kabul City”. The 8th ACM Collective Intelligence 2020, Boston-Copenhagen, June 18-19, 2020.(accepted)

8. Rafik Hadfi and Takayuki Ito. “Exploring Interaction Hierarchies in Collaborative Editing using Integrated Information”. The 8th ACM Collective Intelligence 2020, Boston-Copenhagen, June 18-19, 2020.

9. Takayuki Ito, Shota Suzuki, Naoko Yamaguchi, Tomohiro Nishida, Kentaro Hiraishi and Kai Yoshino, D-agree: Crowd Discussion Support System based on Automated Facilitation Agent, Demonstration, 35th AAAI conference, February 7-12 2020, New York (Accepted, Demonstration Paper)

10. Pankaj Mishra, Ahmed Maustafa and Takayuki Ito, Optimal Auction based Automated Negotiation in Realistic Decentralized Market Environments, Twenty-Fifth AAAI/SIGAI Doctoral Consortium in 35th AAAI conference, February 7-12 2020, New York (Accepted, Extended Abstract and Poster)

11. Takayuki Ito, Daichi Shibata, Shota Suzuki, Naoko Yamaguchi, Tomohiro Nishida, Kentaro Hiraishi,and Kai Yoshino, “Agent that Facilitates Crowd Discussion”, The 7th ACM Collective Intelligence 2019, Carnegie Mellon University, Pittsburgh, USA, June 13-14, 2019

12. Catholijn M. Jonker, Reyhan Aydogan, Tim Baarslag, Katsuhide Fujita, Takayuki Ito and Koen Hindriks, Automated Negotiating Agents Competition (ANAC), Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), pp. 5070-5072, AAAI Press, 2017.

13. Rafik Hadfi and Takayuki Ito. “Multilayered Multiagent System for Traffic Simulation”. International Conference on Autonomous Agents and Multiagent Systems (AAMAS2016), Singapore, May 9-13, 2016

14. Takayuki Ito, Yuma Imi, Motoki Sato, Takanori Ito, and Eizo Hideshima, Incentive Mechanism for Managing Large-Scale Internet-Based Discussions on COLLAGREE, Collective Intelligence 2015, May 31 – June 2, 2015 @ the Marriott Santa Clara in Santa Clara, CA (poster). 

15. Rafik Hadfi, Takayuki Ito, Addressing Complexity in Multi-Issue Negotiation via Utility Hypergraphs, In the Proceedings of the 28th AAAI Conference on Artifitial Intelligence (AAAI-14), 2014.(Poster; Accepted) 

16. Takayuki Ito, Yuma Imi, Takanori Ito, and Eizo Hideshima, “COLLAGREE: A Faciliator-mediated Large-scale Consensus Support System”, Collective Intelligence 2014, June 10-12, 2014. MIT Cambridge, USA. (poster)

17. Valentin Robu, David Parkes, Takayuki Ito, Nick Jennings, "Efficient Interdependent Value Combinatorial Auctions with Single-Minded Bidders", In the Proceedings of IJCAI 2013, Beijing, China, on August 3-9, 2013 (to appear; full paper; oral presentation; poster presentation).

18. Keisuke Hara, Takayuki Ito, A Mediation Mechanism for Automated Negotiating Agents whose Utility Changes over Time, In the Proceedings of the 27th AAAI Conference on Artifitial Intelligence (AAAI-13), 2013.(Poster; Accepted) 

19. Takayuki Ito, Shantanu Chakraborty, Ryo Kanamori, and Tadanobu Otsuka, "Innovating Multiagent Algorithms for Smart City: An Overview", International Workshop on Knowledge and Service Technology for Life, Environment, and Sustainability, (KASTLES 2012), December 17, 2012.

20. Ivan Marsa-Maestre, Takayuki Ito, Katsuhide Fujita, Miguel A. Lopez-Carmona, Juan R. Velasco, Mark Klein,"Balancing Utility and Deal Probability for Negotiations in Highly Nonlinear Utility Spaces", In the Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence (IJCAI-09) to be held July 11 - 17 in Pasadena, California, USA.

21. Katsuhide Fujita,Takayuki Ito, Mark Klein, "A Secure Protocol with Approximated Fairness in Multiple Interdependent Issue Negotiation", In the Proceedings of the Eighth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2009), 2009 (Poster).

22. Masashi Iwakami, Takayuki Ito, Joaquin Delgado, "A Dynamic Interest Rate Adjusting Mechanism for Online Social Lending", In the Proceedings of the Eighth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2009), 2009 (Poster).

23. Katsuhide Fujita,Takayuki Ito, Mark Klein, "A Multi-Round Persuasion based on Revealed Private Utility Space In Multi Issue Negotiations", In the Proceedings of the Seventh International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2008), 2008 (Short).

24. David Sarne, Sarit Kraus, Takayuki Ito, "Scaling-Up Shopbots - a Dynamic Allocation-Based Approach", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007.(Full) Acceptance rate : 22%.

25. Hiromitsu Hattori, Mark Klein, Takayuki Ito, "Using Iterative Narrowing to Enable Multi-Party Negotiations with Multiple Interdependent Issues", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007 (Poster).

26. Florin Constantin, Takayuki Ito, David Parkes, " Online auctions for bidders with interdependent values", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007 (Poster).

27. Takayuki Ito, Mark Klein, Hiromitsu Hattori, "Multi-issue Negotiation Protocol for Agents: Exploring Nonlinear Utility Spaces", In the Twentieth International Joint Conference on Artificial Intelligence (IJCAI2007), Hyderabad, India, January 6-12, 2007 (full paper, poster presentation, accepted). 

28. Takayuki Ito, Mark Klein, Hiromitsu Hattori, "A Negotiation Protocol for Agents with Nonlinear Utility Functions", In the 21st National Conference on Artificial Intelligence (AAAI2006), Boston, July 16-20, 2006 (poster). 

29. Takayuki Ito, David Parkes, " Instantiating the Contingent Bids Model of Truthful Interdependent Value Auctions", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), pp.1151-1158, 2006. Acceptance rate : 22% (Best Paper Award).

30. Tokuro Matsuo, Takayuki Ito, Robert Day, Toramatsu Shintani "A Robust Combinatorial Auction Mechanism against Shill Bidders", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), 2006. Acceptance rate : 22%.

31. Takayuki Ito, Mark Klein, "A Multi-Issue Negotiation Protocol among Competitive Agents based on Auctions", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), 2006. (Short)

32. Takayuki Ito, Makoto Yokoo, Shigeo Matsubara, and Atsushi Iwasaki "A New Strategyproof Greedy-Allocation Combinatorial Auction Protocol and its Extension to Open Ascending Auction Protocol" In the Proceedings of the Twentieth National Conference on Artificial Intelligence (AAAI2005), pp.261-266, 2005. Acceptance rate : 18% (148/803).

33. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "A Combinatorial Auction among Versatile Experts and Amateurs" In the Proceedings of the Third International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2004), 2004. Acceptance rate : 24%.

34. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "A Qualitative-Quantitative Methods-Based e-Learning Support System in Economic Education", In the Proceedings of the 19th National Conference on Artificial Intelligence (AAAI2004), 2004. Acceptance rate : 26%.

35. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "Towards a Combinatorial Auction Protocol among Experts and Amateurs: The Case of Single-Skilled Experts," In the Proceedings of the Second International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2003), pp.481-488, 2003. Acceptance rate : 25%.

36. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "Designing an Auction Protocol under Asymmetric Information on Nature's Selection," In the Proceedings of the International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2002), Bologna, Italy, July 15-19, pp.61-68, 2002. Acceptance rate : 26%.

37. Takayuki Ito and Toramatsu Shintani.: ``Persuasion among Agents : An Approach to Implementing a Group Decision Support System Based on Multi-Agent Negotiation'', In the Proceedings of the 15th International Joint Conference on Artificial Intelligence (IJCAI-97), pp.592-597, Morgan Kaufmann Publishers, Inc., 1997.OHP Slides. Acceptance rate : 25%.

Refereed International Conference Papers (includes rigorously refereed papers)

1. Takayuki Ito and Shun Okuhara, "An Automatic Bottom-up Idea Grouping Method based on LLMs", The 19th International Conference on Knowledge, Information and Creativity Support Systems (KICSS2024), Bali, Indonesia, December 5-7, 2024.(outstanding paper award)

2. Takayuki Ito. “A Multiple-Nash-SA Mediator for Huge Design Utility Spaces in Automated Negotiations”, The 8th IEEE International Conference on Agents (ICA2024), Wollongong, Australia, Dec 4-6, 2024 (accepted full paper).

3. Jawad Haqbeen Sofia Sahab Takayuki Ito. Comparison of Best Paper Award Selection between program committee members and attendees: Case of an International Conference, BCD 2024-Summer, Kitakyushu, Japan, July 16-18, 2024 (accepted)

4. Takayuki Ito, Mitigating Prisoner’s Dilemma by Moral-based Decision Making among Agents, BCD 2024-Summer, Kitakyushu, Japan, July 16-18, 2024(accepted)

5. Yuchen Liu, Rafik Hadfi and Takayuki Ito, "Proposal of a Double Feedback Digital Product Ranking System", the 1st International Workshop on Mechanism Design in Social Networks, in conjunction with the 33rd International Joint Conference on Artificial Intelligence (IJCAI 2024), Jeju Island, South Korea, August 4th, 2024.

6. Qinglin Cui, Yukihide Shibata, Tomohiro Hara, Yume Souma, Mie Tsujimoto, Takayuki Ito and Susumu Ohnuma, "Utterance Analysis of Discussions Structure and Discourse Quality: A Case of Removed Soils in Fukushima Prefecture, Japan", The 4th International Workshop on Democracy and AI (DemocrAI 2024), in conjunction with the 33rd International Joint Conference on Artificial Intelligence (IJCAI 2024), Jeju Island, South Korea, August 4th, 2024.

7. Shiyao Ding and Takayuki Ito, Ding MineLlama: Llama with Retrieval-Augmented Generation as A Decision Maker in Minecraft, The 22nd International Conference on Practical Applications of Agents and Multi-Agent Systems (PAAMS2024), Spain, 26th-28th June, 2024

8. KAZUHITO MORI, SHIYAO DING, SUSUMU OHNUMA, YUME SOUMA and TAKAYUKI ITO, “Automatic Evaluation of Discussion Quality Using LLM Data Augmentation”, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29

9. Takayuki Ito, Yihan Dong, Jawad Haqbeen, Sofia Sahab, and Tokuro Matsuo, Multiple AI Agents that Support Crowd Discussion, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29.

10. Moeka Nomura, Takayuki Ito, Shiyao Ding,Towards Collaborative Brainstorming among Humans and AI Agents: An Implementation of the IBIS-based Brainstorming Support System with Multiple AI Agents, ACM Collective Intelligence 2024,Boston, MA, June 26-29, 2024.06.26-29.

11. Yihan Dong and Takayuki Ito, “The Multi-agent System based on LLM for Online Discussions”, Doctoral Consortium, Aukland, New Zealand, AAMAS2024, May 6-10, 2024. 

12. Jawad Haqbeen, Sofia Sahab and Takayuki Ito. “Assessing the Impact of AI-mediation on Changing Extreme Perception in Online Discussion: Post-Intervention Responses in Post-2021 Afghanistan”. The 25th Annual International Conference on Digital Government Research(dg.o), 11-14 June, 2024, National Taiwan University, Taiwan (accepted as full paper)

13. Jawad Haqbeen, Sofia Sahab and Takayuki Ito. “From Interactive Idea Development to Solution Planning: An AI-assisted Discussion Facilitation Timeline for Collaborative Planning”. The 25th Annual International Conference on Digital Government Research(dg.o), 11-14 June, 2024, National Taiwan University, Taiwan (accepted as poster)

14. Shiyao Ding and Takayuki Ito, Finding Agreements among Massive Diverse Opinions (Extended abstract), Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

15. Takayuki Ito, An Approach to Overcome the Opinion Polarization by a Small Social Interest (Extended abstract), The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

16. Jawad Haqbeen, Sofia Sahab, and Takayuki Ito, A Case Study on the Comparison of AI-facilitated Threaded Conversation versus Threaded Conversation, The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

17. Senanu Okuboyejo, Jawad Haqbeen, and Takayuki Ito,Evaluating the performance of Machine Learning Classifiers on Predicting Hypothyroidism for Public Healthcare Good, The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

18. Jawad Haqbeen, Sofia Sahab, and Takayuki Ito,A Digital Initiative to Address Girls Education Challenges in Collaboration with NPO in Post-2021 Afghanistan, The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.(Excellent Paper Award)

19. Sofia Sahab, Jawad Haqbeen and Takayuki Ito, Facilitating Collaborative Consensus Building in Web-based Discussion through Collective Task-Based Roles: A Case Study, The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

20. Sofia Sahab, Jawad Haqbeen and Takayuki Ito, Facilitating Collaborative Consensus Building in Web-based Discussion through Collective Task-Based Roles: A Case Study, The Eighteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2023), September 20-22, 2023.

21. Shun Okuhara, Ryo Sugawara, Masanori Takagi, Takayuki Ito, "Examining the Influence of Agents on Human Decision-Making: A Study on Debating AI and Opinion Change", The 1st International Conference on ICT Application Research (IAR 2023) ,2023(Outstanding Paper Award)

22. Shiyao Ding and Takayuki Ito, Self-Agreement: A Framework for Fine-tuning Language Models to Find Agreement among Diverse Opinions, The 20th Pacific International Conference on Artificial Intelligence (PRICAI 2023), November 17-19, 2023, Jakarta, Indonesia.

23. Shiyao Ding and Takayuki Ito, A Deep Reinforcement Learning Based Facilitation Agent for Consensus Building among Multi-Round Discussions, The 20th Pacific International Conference on Artificial Intelligence (PRICAI 2023), November 17-19, 2023, Jakarta, Indonesia.

24. Shiyao Ding, Hideki Aoyama and Donghui Lin, MARL4DRP: Benchmarking Cooperative Multi-Agent Reinforcement Learning Algorithms for Drone Routing Problems, The 20th Pacific International Conference on Artificial Intelligence (PRICAI 2023), November 17-19, 2023, Jakarta, Indonesia. (Short Paper)

25. Ryuta Arisaka and Takayuki Ito, Relational Acceptability Semantics of Abstract Argumentation, The 20th Pacific International Conference on Artificial Intelligence (PRICAI 2023), November 17-19, 2023, Jakarta, Indonesia. (Short Paper)

26. Jawad Haqbeen, Sofia Sahab and Takayuki Ito. “Crowd-Selected “Quality Paper”: Selecting a Quality Paper based on Conference Attendees’s Decision using Conversational AI Platform”. The 23rd International Conference on Group Decision and Negotiation, June 11-15, 2023, Tokyo, Japan (Accepted)

27. Sofia Sahab, Jawad Haqbeen and Takayuki Ito. “Facilitating Discussion Element-specific Problem-solving Conversations using Conversational Agent: Case of IBIS”. The 23rd International Conference on Group Decision and Negotiation, June 11-15, 2023, Tokyo, Japan (accepted)

28. Sofia Sahab, Jawad Haqbeen and Takayuki Ito. “Facilitating the problems that lie within the solutions using Conversational AI: A Case Study of Post-2021 Afghanistan”. The 24th Annual International Conference on Digital Government Research, 11-14 July, 2023, Gdansk, Poland (accepted as poster)

29. Jawad Haqbeen, Sofia Sahab and Takayuki Ito. “In Solidarity with Ukraine through Conversational AI via Facebook Ads: A Case Study of Online Discussion in 15 Countries”. The 24th Annual International Conference on Digital Government Research, 11-14 July, 2023, Gdansk, Poland (accepted as poster)

30. Takumi Fujimoto and Takayuki Ito, “Emotion Prediction based on Conversational Context and Commonsense Knowledge Graphs”, The 36th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems, 2023.07. (Short paper)

31. Qin Liang, Wen Gu, Shohei Kato, Fenghui Ren, Guoxin Su, Takayuki Ito and Minjie Zhang, Partner Selection Strategy in Open, Dynamic and Sociable Environments, 15th International Conference on Agents and Artificial Intelligence (ICAART 2023), Lisbon, Portugal, February 22-24, 2023.

32. Zongcan Li, Rafik Hadfi and Takayuki Ito. Divide-and-Conquer in Automated Negotiations Through Utility Decomposition. The 17th International Conference on Knowledge, Information and Creativity Support Systems, November 2022.(full paper; accepted)(Best Paper Award)

33. Shiyao Ding and Takayuki Ito. Graph Convolutional Networks for Link Prediction in Argument Structure Extraction. The 17th International Conference on Knowledge, Information, and Creativity Support Systems, November 2022. (short paper; accepted)

34. Sofia Sahab, Jawad Haqbeen and Takayuki Ito. Featuring Influential Participants to Engage Crowd by Virtual Incentive in Crowdsourcing Contents The 17th International Conference on Knowledge, Information, and Creativity Support Systems, November 2022. (Regular paper; accepted)

35. Jawad Haqbeen, Sofia Sahab and Takayuki Ito. “How did discourse shift among Afghan citizens during the fall of the republic: Early insights using conversational AI platform”. The 23rd Annual International Conference on Digital Government Research, Seoul National University, South Korea, June 15-17, 2022. https://doi.org/10.1145/3543434.3543595

36. Yuchen Liu, Rafik Hadfi and Takayuki Ito, Concession Strategy Adjustment in Automated Negotiation Problems, International Workshop on The 13th International Workshop on Agent-based Complex Automated Negotiations (ACAN2022), in conjunction with IJCAI-ECAI2022, July 24th, 2022, Vienna, Austria.

37. Jawad Haqbeen, Sofia Sahab, and Takayuki Ito, Facilitating Discussion on COVID-19 with Autonomous Facilitator: A Case Study on the Comparison of Expert Discussion versus the Public Paradigm Ratio of Reply for Agent Facilitation Post, The Sixteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021), November 24-26, 2021.

38. Atsuya Sakai, Shota Suzuki, Rafik Hadfi, Takayuki Ito, Extracting Issue-Based Information System Structures from Online Discussions for Automated Facilitation Agent, The Sixteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021), November 24-26, 2021.

39. Takayuki Ito,An Agreement Mechanism Among Negotiating Agents based on Self-Control in Two-Stage Negotiations, The Sixteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021), November 24-26, 2021.

40. Shun Okuhara, Rafik Hadfi, Takayuki Ito, Investigating shame and selfishness in two-stage choice problems with interdependent alternatives, The Sixteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021), November 24-26, 2021.

41. WenGu, Shohei Kato, Takayuki Ito, Automated Facilitation Support in Online Forum, In the Proceedings of International Joint Conference on Artificial Intelligence (IJCAI2021), Doctoral Consortium, Online, 2021. 

42. Sofia Sahab, Jawad Haqbeen, Takayuki Ito, "Different or Alike? Motivation to Participate and Social Influence in Online Discussions by Age and Gender", The 26th International Conference on Urban Planning and Regional Development in the Information Society, September 7-10, 2021, Vienna, Austria. (accepted)

43. Sofia Sahab, Jawad Haqbeen, Takayuki Ito, "What Makes a Participative Tool to Gather More Sample Views? Discussion with Supportive means for Mutual Benefit", The 26th International Conference on Urban Planning and Regional Development in the Information Society, September 7-10, 2021, Vienna, Austria.(accepted)

44. Jawad Haqbeen, Sofia Sahab, Takayuki Ito, "Text-based Discussion Environment using a Discussion Support System Enhances Participants' Engagement at International e-Conference", The 26th International Conference on Urban Planning and Regional Development in the Information Society, September 7-10, 2021, Vienna, Austria.(accepted)

45. Jawad Haqbeen, Sofia Sahab and Takayuki Ito “How to deliberate online discussion on COVID-19 at scale? Artificially but with efficient turn-taking”. The 21st International Conference on Group Decision and Negotiation, June 6-10, 2021, Toronto, Canada (accepted)

46. Jawad Haqbeen, Takayuki Ito, Sofia Sahab, Rafik Hadfi, Shun Okuhara, Nasim Saba, Murtaza Hofaini and Umar Baregzai “ A Contribution to COVID-19 Prevention through Crowd Collaboration using Conversational AI & Social Platforms”, IJCAI 2019 Workshop on AI for Social Good, 2020 (Accepted for poster)

47. Jawad Haqbeen, Takayuki Ito, Sofia Sahab, Takumi Sato, Shun Okuhara and Murtaza Hofiani “Insights from a Large-Scale Discussion on COVID-19 in Collective Intelligence”, The 19th IEEE/WIC/ACM International Joint Conference of Web Intelligence and Intelligent Agent Technology (WI-IAT-20), Melbourne, Australia (online), 14-17 December, 2020 (ACCEPT)

48. Muhammad Asad, Ahmed Moustafa, and Takayuki Ito, “Federated Learning Verses Classical Machine Learning: A Convergence Comparison” The 15th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

49. Takumi Sato, Shun Okuhara, and Takayuki Ito, “Fully Automatic Classification of Open-ended Questionnaire”, The 15th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

50. Naoki Kawamura, Shun Okuhara, and Takayuki Ito, “Increasing Facilitations by Extracting Concrete Discussion Structures”, The Twelfth 2020 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

51. Soichiro Kuroyanagi, Shun Okuhara, Rafik Hadi, and Takayuki Ito, “Recognizing Human Actions in Telework Environments using YOLOv5”, The Twelfth 2020 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

52. Sofia Sahab, Takayuki Ito, Jawad Haqbeen, and Shun Okuhara, “A Study on Neighborhood Functions Using Smart Discussion Platform: Kabul City Experiment”, The 15th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

53. Jawad Haqbeen, Takayuki Ito, Sofia Sahab, Rafik Hadfi, Takumi Sato, and Shun Okuhara, “Meeting the SDGs: Enabling the goals by cooperation with crowd using conversational AI platform”, The 15th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

54. Hijiri Suzuki,Takayuki Ito,Shun Okuhara,Rafik Hadfi,Ahmed Moutafa, “Human Action Classification using YOLO and Voice Recognition in factories”, The Twelfth 2020 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

55. Atsuya Sakai, and Takayuki Ito, “Deep Bidirectional Transformers for Online Discussion Understanding”, The 15th 2020 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

56. Daiki Setoguchi, Shun Okuhara, Ahmed Moustafa, and Takayuki Ito “Alternating offers protocol by automated negotiation based on constraint relaxation”, The Twelfth 2020 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2020), Tasmania, Australia (Online), 25-27 November 2020 (ACCEPT)

57. Rafik Hadfi and Takayuki Ito. “Argumentative Conversational Agent for Polarized Online Debates”. ECAI Workshop on Dialogue, Explanation and Argumentation for Human-Agent Interaction (DEXA-HAI-2020). (Accepted)

58. Takumi Sato, Ahmed Moustafa and Takayuki Ito. : “Automatic Classification of Freely-Offered Opinions”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

59. Yuya Kondo, Takayuki Ito, Ahmed Moustafa, “An Automated Tool for Visualizing Large-Scale Online Discussions”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

60. Atsuya Sakai, Ahmed Moustafa and Takayuki Ito. : “Deep Bidirectional Transformers for Online Discussion Understanding”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

61. Jawad, Takayuki Ito, Hadfi, Sahab, Sahab, Amiryar and Nishida “Usage & application of AI-based discussion facilitation system for city issues and town meeting: Kabul experimental view”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

62. Naoki Kawamura, Ahmed Moustafa and Takayuki Ito. : “Extracting Discussion Structures for Automated Facilitation Agents”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

63. Takayuki Ito, Sensen Qiao, Ahmed Moustafa, Shun Okuhara “A Negotiation Matching Protocol for Many-to-Many Agents with Nonlinear Utility Functions”, The 2nd International Workshop on Agent-based Crowd Decision-making (AgentCrowd2020) in conjunction with AAMAS2020, Auckland, New Zealand. May 9 or 10, 2020 (Accepted)

64. Pankaj Mishra, Ahmed Moustafa, Takayuki Ito. :”Fairness based Multi-Preference Resource Allocation in Decentralised Open Markets”,11th International Workshop on Optimization and Learning in Multiagent Systems (OptLearnMAS 2020) in conjunction with AAMAS2020,Auckland, New Zealand. May 9 or 10, 2020 

65. Pankaj Mishra, Ahmed Moustafa, Takayuki Ito. :”Reinforcement Learning based Real-Time Pricing in Open Cloud Markets”,The 33th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems, 21-24 JULY 2020 [ACCEPTED]

66. Tagy Alden, Ahmed Moustafa, Takayuki Ito, "Toward Agent-based Interactive Systems to Support Rehabilitation Process", 2020 IEEE 24rd International Conference on Computer Supported Cooperative Work in Design (Accepted)(Due to 2019-nCoV, the organizers decided to postpone the conference for one year. Now it will be held at the same location in 2021 and the accepted papers will be published with 2021 CFP)

67. Muhammad Asad, Ahmed Moustafa, Takayuki Ito, "Evaluating the Communication Efficiency in Federated Learning Algorithms", 2020 IEEE 24th International Conference on Computer Supported Cooperative Work in Design (Accepted) (Due to 2019-nCoV, the organizers decided to postpone the conference for one year. Now it will be held at the same location in 2021 and the accepted papers will be published with 2021 CFP)

68. Ryuta Arisaka and Takayuki Ito, “Let’s Accept a Mission Impossible with Formal Argumentation, or not”, The 17th International Conference on Distributed Computing and Artificial Intelligence (DCAI 2020), L'Aquila, Italy, 17th-19th June, 2020. (Accepted)

69. Ryuta Arisaka and Takayuki Ito, “A New Perspective of May-Must Argumentation: Three Pillars”, The 20th Trends in Logic international conference, Logic and Reasoning: Formal and Informal (TRENDS20), Kyiv, Ukraine, May 13-15, 2020. (Accepted)

70. Ryuta Arisaka and Takayuki Ito. Broadening Label-based Argumentation Semantics with May-Must Scales, 3rd International Conference on Logic and Argumentation (CLAR 2020), 6-9 April, Hangzhou, China

71. Natsuki Matsunami, Shun Okuhara and Takayuki Ito, Agents that Learn to Vote for a Joint Action Through Multi-Agent Reinforcement Learning, 8th International Conference on Smart Computing and Artificial Intelligence (SCAI 2020)（採録）

72. Jawad Haqbeen, Takayuki Ito, Rafik Hadifi, Tomohiro Nishida, Zoia Sahab, Sofia Sahab, Shafiq Roghmal and Ramin Amiryar, “Promoting Discussion with AI-based Facilitation: Urban Dialogue with Kabul City”. The 8th ACM Collective Intelligence 2020, Boston-Copenhagen, June 18-19, 2020.(accepted)

73. Rafik Hadfi and Takayuki Ito. “Exploring Interaction Hierarchies in Collaborative Editing using Integrated Information”. The 8th ACM Collective Intelligence 2020, Boston-Copenhagen, June 18-19, 2020.

74. Takayuki Ito, Rafik Hadfi, Jawad Ahmad Haqbeen, Shota Suzuki, Atsuya Sakai, Naoki Kawamura and Naoko Yamaguchi, Agent-based Crowd Discussion Support System and Its Societal Experiments, 18th International Conference on Practical Applications of Agents and Multi-Agent Systems (PAAMS2020), demonstration, L'Aquila (Italy), 17th-19th June, 2020.

75. Takayuki Ito, Shota Suzuki, Naoko Yamaguchi, Tomohiro Nishida, Kentaro Hiraishi and Kai Yoshino, D-agree: Crowd Discussion Support System based on Automated Facilitation Agent, Demonstration, 35th AAAI conference, February 7-12 2020, New York (Accepted, Demonstration Paper)

76. Pankaj Mishra, Ahmed Maustafa and Takayuki Ito, Optimal Auction based Automated Negotiation in Realistic Decentralized Market Environments, Twenty-Fifth AAAI/SIGAI Doctoral Consortium in 35th AAAI conference, February 7-12 2020, New York (Accepted, Extended Abstract and Poster)

77. Ryuta Arisaka, Makoto Hagiwara, and Takayuki Ito, Formulating Manipulable Argumentation with Intra-/Inter-Agent Preferences, The 22nd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2019), October 28-31, 2019, Torino, Italy (Accepted, short paper)

78. Jin Tanda, Ahmed Moustafa, Takayuki Ito, Cooperative Behavior by Multi-agent Reinforcement Learning with Abstractive Communication, The 4th IEEE International Conference on Agents (IEEE ICA 2019),October 18-21, 2019, Jinan, China (Accepted).

79. Z. Marafie, K. Lin, D. Wang, H. Lyu, Y. Meng and T. Ito, "AutoCoach: Driving Behavior Management Using Intelligent IoT Services," 2019 IEEE 12th Conference on Service-Oriented Computing and Applications (SOCA), Kaohsiung, Taiwan, 2019, pp. 103-110.doi: 10.1109/SOCA.2019.00023

80. Ryuta Arisaka and Takayuki Ito, Semantics of Opinion Transitions in Multi-Agent Forum Argumentation, 2019 The 16th Pacific International Conference on Artificial Intelligence (PRICAI 2019), August 26-30, 2019, Yanuca Island, Fiji. (accepted)(Best Paper Award)

81. Daichi Shibata, Shota Suzuki, Ahmed Moustafa, Takayuki Ito, On Facilitating Large-Scale Online Discussions, 2019 The 16th Pacific International Conference on Artificial Intelligence (PRICAI 2019), August 26-30, 2019, Yanuca Island, Fiji. (accepted）

82. Shun Okuhara, Takayuki Ito, A Compromising Strategy Based on Constraint Relaxation for Automated Negotiating Agents, 2019 The 16th Pacific International Conference on Artificial Intelligence (PRICAI 2019), August 26-30, 2019, Yanuca Island, Fiji. (accepted)

83. Wen Gu, Ahmed Moustafa, Takayuki Ito, Minjie Zhang, Chunsheng Yang, A Case-based Reasoning Approach for Facilitating Online Discussions, 2019 The 16th Pacific International Conference on Artificial Intelligence (PRICAI 2019), August 26-30, 2019, Yanuca Island, Fiji. (accepted)

84. Shunya Kitagawa, Ahmed Moustafa, Takayuki Ito, Urban Traffic Control using Distributed Multi-Agent Deep Reinforcement Learning, 2019 The 16th Pacific International Conference on Artificial Intelligence (PRICAI 2019), August 26-30, 2019, Yanuca Island, Fiji. (accepted)

85. Wen Gu, Ahmed Moustafa, Takayuki Ito, Minjie Zhang and Chunsheng Yang, “Discussion Case Base Simulation for Case-based Reasoning based Online Discussion Facilitation”, IJCAI 2019 Workshop on Smart Simulation and Modelling for Complex Systems (SSMCS2019), 2019

86. Shun Okuhara, Takayuki Ito, “ A Moral-oriented Negotiation based on the Constraint-based Utility Graph Model”, IJCAI 2019 Workshop on Agent-based Complex Automated Negotiations (ACAN), 2019　 (Accepted).

87. Ryuta Arisaka, Jeremie Dauphin and Takayuki Ito, Facilitation in Abstract Argumentation with Abstract Interpretation, IJCAI 2019 Workshop on Agent-based Complex Automated Negotiations (ACAN), 2019 (Accepted).

88. Ryuta Arisaka and Takayuki Ito, Numerical Abstract Persuasion Argumentation for Expressing Concurrent Multi-Agent Negotiations, IJCAI 2019 Workshop onAgent-based Complex Automated Negotiations (ACAN), 2019 (Accepted).

89. Takayuki Ito, Shota Suzuki, Naoko Yamaguchi, Tomohiro Nishida, Kentaro Hiraishi,and Kai Yoshino, “ Crowd Discussion for the Future of Your Hometown: An Agent-based Crowd Discussion Support System ”, IJCAI 2019 Workshop on Artificial Intelligence and United Nations Sustainable Development Goals (AI4SDG), 2019 (accepted)

90. Shun Okuhara and Takayuki Ito, A Negotiation Strategy based on Compromising Degree, the 20th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD 2019), Toyama, Japan on July 8-10, 2019.

91. Takayuki Ito, Daichi Shibata, Shota Suzuki, Naoko Yamaguchi, Tomohiro Nishida, Kentaro Hiraishi,and Kai Yoshino, “Agent that Facilitates Crowd Discussion”, The 7th ACM Collective Intelligence 2019, Carnegie Mellon University, Pittsburgh, USA, June 13-14, 2019 

92. Chunsheng Yang, Takayuki Ito and Wen Gu, Toward case-based reasoning facilitation for online discussion in deliberation, 2019 IEEE 23rd International Conference on Computer Supported Cooperative Work in Design (IEEE CSCWD 2019), May 6-8, 2019, Porto, Portugal.

93. Naoko Yamaguchi, Tomohiro Nishida, Takayuki Ito,”An Annotation Scheme for Developing Prototype Automated Facilitation Software”,PICMET '19 Conference),"Technology Management in the World of Intelligent Systems" , August 25 - 29, 2019 Hilton Portland and Executive Tower,Portland, Oregon, USA

94. Dave de Jonge, Tim Baarslag, Reyhan Aydogan, Catholijn Jonker, Katsuhide Fujita and Takayuki Ito, The Challenge of Negotiation in the Game of Diplomacy, The 6th International Conference on Agreement Technologies (AT2018), Bergen, Norway, 6-7 December 2018. 

95. Naoko Yamaguchi, Takayuki Ito, Tomohiro Nishida, “A Method for Online Discussion Design and Discussion Data Analysis”, The Thirteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS-2018) November 15-17, 2018 Pattaya, Thailand(Accepted)

96. Wen Gu, Ahmed Moustafa, Takayuki Ito, Minejie Zhang, Chunsheng Yang, “A Case-based Reasoning Approach for Automated Facilitation in Online Discussion Systems”, The Thirteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS-2018) November 15-17, 2018 Pattaya, Thailand (Accepted)

97. Tang Xun, Ahmed Moustafa, Takayuki Ito, “The Design of Meta-Strategy that Can Obtain Higher Negotiating Efficiency”, The Thirteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS-2018) November 15-17, 2018 Pattaya, Thailand (Accepted)

98. Tomoya Fukui, Ahmed Moustafa, Takayuki Ito, “Jupiter: An Automated Negotiation Environment for Supporting Agents that Use Machine Learning”, The Thirteenth International Conference on Knowledge, Information and Creativity Support Systems (KICSS-2018) November 15-17, 2018 Pattaya, Thailand (Accepted)

99. Takayuki Ito, Towards Agent-based Large-scale Decision Support System: The Effect of Facilitator, The 51st Hawaii International Conference on System Sciences, Hilton Waikoloa Village, USA, January 3-6, 2018. 

100. Ryoji Horita, Minoru Mitsui, Takayuki Ito, Shun Shiramatsu, Akihisa Sengoku, Katsuhide Fujita and Naoki Fukuta, A Design of Research Group Workshop to Generate Co-Creation Between Researchers and Citizens, The 12th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2017), Nagoya, Japan, Nov 9-11, 2017.

101. Tatsuya Toyama, Ahmed Moustafa and Takayuki Ito, On Measuring the Opposition Level Amongst Intelligent Agents in Multi-issue Closed Negotiation Scenarios, The 12th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2017), Nagoya, Japan, Nov 9-11, 2017.

102. Xun Tang, Ahmed Moustafa and Takayuki Ito, An Ordering Mechanism for Automated Negotiation Among Nonlinear Utility Agents, The 12th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2017), Nagoya, Japan, Nov 9-11, 2017.

103. Jawad Ahmad Haqbeen, Takayuki Ito, Mohammad Arifuzzaman, Takanobu Otsuka, “'Joint Routing, MAC and Physical Layer Protocol for Wireless Sensor Networks”, 2017 IEEE TENCON, IEEE Region Ten Conference, 11/5-8, 2017

104. Catholijn M. Jonker, Reyhan Aydogan, Tim Baarslag, Katsuhide Fujita, Takayuki Ito and Koen Hindriks, Automated Negotiating Agents Competition (ANAC), Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), pp. 5070-5072, AAAI Press, 2017.

105. Tomohiro Nishida, Takayuki Ito, Takanori Ito, Eizo Hideshima, Shunpei Fukamachi, Akihisa Sengoku and Yumika Sugiyama, "Core Time Mechanism for Managing Large-Scale Internet-based Discussions on COLLAGREE", In the Proceedings of the 2nd IEEE International Conference on Agents (IEEE ICA2017), Beijin, China, 2017. (accepted, acceptance rate: 30%)

106. Daichi Shibata and Takayuki Ito, A Distributed Power Managing Method based on Power Grid Network Centrality, In Proceedings of the 2nd IEEE International Conference on Agents (IEEE ICA 2017), Beijing, China, 2017. (accepted, acceptance rate: 30%)

107. Kwei-Jay Lin, Sen Zhou, Surong Yany and Takayuki Ito, "Service-Oriented Things: Delivering Smart Services Using Internet of Things", The 19th IEEE International Conference on Business Informatics (CBI2017), 2017.

108. Rafik Hadfi, Masayuki Hayashi, Takayuki Ito, A Pipeline Multiagent Architecture for Road Traffic Simulation, ITS World Congress 2017 in Montréal, Québec, Canada (October 29 – November 2), 2017.

109. Katsuhide Fujita, Takayuki Ito, Mark Klein, "Enabling Large Scale Deliberation using Ideation and Negotiation-Support Agents", The 37th IEEE International Conference on Distributed Computing (ICDCS 2017) US-Japan Workshop on Collaborative Global Research on Applying Information Technology, J.W. Marriott, Buckhead,Atlanta, GA, USA on June 5 – 6, 2017.

110. Chunsheng Yang, Takayuki Ito, Yubin Yang, and Jie Liu. Developing machine learning-based models to estimate time to failure for PHM. In Proceedings of the 2016 IEEE International Conference on Prognostics and Health Management (ICPHM), pages 1–6. IEEE, 2016.

111. Takayuki Ito, Takanobu Otsuka, Satoshi Kawase, Akihisa Sengoku, Shun Shiramatsu, Tokuro Matsuo, Tetsuya Oishi, Rieko Fujita, Naoki Fukuta, nd Katsuhide Fujita, "Preliminary Results on A Large-scale Cyber-Physical Hybrid Discussion Support Experiment", The Eleventh 2016 International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2016), Yogyakarta, Indonesia, 10 - 12 November 2016 (to appear).

112. Jawad Ahmad Haqbeen, Takayuki Ito, Takanobu Otsuka, Mohammad Arifuzzaman, "Intelligent Cross-Layer Protocol with Traffic-Differentiation-Based QoS for Wireless Sensor Networks", IEEE TENCON 2016, 22 - 25 November 2016, Marina Bay Sands, Singapore, 2016 (accepted). 

113. Susel Fernandez, Takayuki Ito, Driver Classification for Intelligent Transportation Systems using Fuzzy Logic, 19th IEEE Intelligent Transportation Systems Conference, Rio de Janeiro, Brazil, November 1-4, 2016.

114. Pankaj Mishra, Rafik Hadfi and Takayuki Ito. “Role of Facial Emotion in Social Correlation”. International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2016) (Extended Abstract-Under Student Session Schlorship), 22~26 August 2016, Phuket, Thailand

115. Pankaj Mishra, Rafik Hadfi and Takayuki Ito. “Adaptive Model for Traffic Congestion Prediction”. The 29th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2016), 2~4 August 2016, Morioka, Japan. 

116. Wen Gu and Takayuki Ito．“Optimization of Road Distribution for Traffic System Based on Vehicle’s Priority” 14th Pacific Rim International Conference on Artificial Intelligence(PRICAI2016),22 – 26 August, Phuket, Thailand, 2016

117. Pankaj Mishra, Rafik Hadfi and Takayuki Ito. “Role of Human Emotions in Social Influence”. International Conference on Crowd Science and Engineering 2016 , 27~30 July 2016, Vancover, Canada

118. Akihisa Sengoku, Takayuki Ito, Katsuhide Fujita, Shun Shiramatsu, Takanori Ito and Eizo Hideshima, "Towards Intelligent Crowd Decision Support: A Preliminary Result on Large-scale Discussion Suppor based on the Discussion Tree", International Conference on Crowd Science and Engineering (ICCSE2016), Vancouver, Canada, July 27-30, 2016.(Best Paper Award)

119. Pankaj Mishra, Rafik Hadfi and Takayuki Ito. “Social Influence Analysis based on Facial Emotions”. IJCAI2016 2nd International Workshop on Social Influence Analysis (SocInf 2016) , 9~15 July 2016, New York, USA

120. Tomomichi Hayakawa, Ryo Suzuki, Takayuki Ito, "Development of River Information Management System According to the Participatory Sensing.", 15th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2016) Special Session on Internet of Things for Smart Society (IoTSS 2016), 26 – 29 June, 2016, Okayama, Japan （ACCEPTED）

121. Yoshitaka Torii, Takanobu Otsuka, Takayuki ito, “A diversity Sensor connection capability WSN for Disaster Information Gathering System”15th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2016) Special Session on Internet of Things for Smart Society (IoTSS 2016), 26 – 29 June, 2016, Okayama, Japan (ACCEPTED)

122. Xishun Wang, Minjie Zhang, Fenghui Ren, and Takayuki Ito,GongBroker: A Broker Model for Power Trading in Smart Grid Markets", 2015 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT’15), Singapore December 6-9, 2015.

123. Keisuke Hara and Takayuki Ito, A Scoring Rule-based Truthful Demand Response Mechanism, In the Proceedings of the 14th IEEE/ACIS International Conference on Computer and Information Science (ICIS2015), June 28 - July 1, Las Vegas, U.S.A. （ACCEPTED AS FULL PAPER) 

124. Takanobu Otsuka, Yoshitaka Torii, Takayuki Ito，"Challenges and implementation of ad-hoc water gauge system for the grasp of internal water damage”, 14th IEEE/ACIS International Conference on Computer and Information Science (IEEE/ACIS ICIS 2015) June 28 - July 1, 2015 Las Vegas, USA.（ACCEPTED AS SHORT PAPER) 

125. Sho Tokuda, Miguel Angel Lopez-Carmona, Ryo Kanamori, Takayuki Ito, "Parking Space Allocation System based on Automatic Negotiation with Vehicle", 14th IEEE/ACIS International Conference on Computer and Information Science (IEEE/ACIS ICIS 2015) June 28 - July 1, 2015 Las Vegas, USA.（ACCEPTED AS SHORT PAPER) 

126. Motoki Sato, Takayuki Ito, "Text Filtering for Harmful Document Classification Method Based on Paragraph Vector and Multi Layer Perceptron", 14th IEEE/ACIS International Conference on Computer and Information Science (IEEE/ACIS ICIS 2015) June 28 - July 1, 2015 Las Vegas, USA.（ACCEPTED AS SHORT PAPER) 

127. Akyuki Mori, Shota Morii Takayuki Ito. A Dependency-based Automated Negotiation Mechanism for a Hypergraph Utility Model. In 4th International Congress on Advanced Applied Informatics. July 12-16, 2015, Okayama Convention Center, Okayama, Japan. （ACCEPTED)

128. Makoto Niimi, Takayuki Ito. Budget-limited multi-armed bandit problem with dynamic rewards and proposed algorithms. In 4th International Congress on Advanced Applied Informatics. July 12-16, 2015, Okayama Convention Center, Okayama, Japan.（ACCEPTED)

129. Sho Tokuda, Ryo Kanamori, Takayuki Ito, “A Traffic Simulator based on Modified Stochastic Cell Transmission Model to Road Network”, The 19TH International Conference of Hong Kong Society for Transportation Studies (HKSTS2014), 13-15 December, 2014．(Accepted for oral presentation and publication in conference proceedings)

130. Yuichi Enoki, Ryo Kanamori, and Takayuki Ito, “Managing Parking Fees based on Massive Parking Accounting Data”, The 13th Pacific Rim International Conference on Artificial Intelligence (PRICAI2014), Gold Coast, Queenland, Australia December 1-5, 2014. (Accepted; Full paper)

131. Sho Tokuda, Ryo Kanamori, Takayuki Ito, “Development of Traffic Simulator based on Stochastic Cell Transmission Model for Urban Network”, 17th International Conference on Principles and Practice of Multi-Agent Systems(PRIMA2014),Gold Coast, Queenland, Australia, December 1-5, 2014.(Accepted; Full paper)

132. Rafik Hadfi and Takayuki Ito, Approximating Constraint-based Utility Spaces using Generalized Gaussian Mixture Models, 17th International Conference on Principles and Practice of Multi-Agent Systems(PRIMA2014),Gold Coast, Queenland, Australia, December 1-5, 2014. (Accepted; Short paper)

133. Ryo Kanamori and Takayuki Ito, A Dynamic Route-exchanging Mechanism for Anticipatory Traffic Management, 17th International Conference on Principles and Practice of Multi-Agent Systems(PRIMA2014),Gold Coast, Queenland, Australia, December 1-5, 2014. (Accepted; Short paper)

134. Rafik Hadfi, Takayuki Ito. Modeling Complex Nonlinear Utility Spaces using Utility Hyper-graphs.The 11th International Conference on Modeling Decisions for Artificial Intelligence. Tokyo, Japan. October 29 - 31, 2014 (Accepted)

135. Rafik Hadfi, Takayuki Ito, Addressing Complexity in Multi-Issue Negotiation via Utility Hypergraphs, In the Proceedings of the 28th AAAI Conference on Artifitial Intelligence (AAAI-14), July 27-31, 2014.(Poster; Accepted) 

136. Rafik Hadfi and Takayuki Ito, Constraint-based Preferences via Utility Hyper-graphs, The 8th Multidisciplinary Workshop on Advances in Preference Handling (M-PREF14). July 27-28, 2014, Quebec, Canada, in conjunction with AAAI 2014. (Accepted)

137. Kohei Hayakawa, Tomomichi Hayakawa, Takayuki Ito, “Implementation of an Event Information Sharing Support System Utilizing OpenStreetMap”, In the proceedings of the 27th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA-AIE 2014), June 3-6, 2014, in Kaohsiung, Taiwan. (Accepted,Full-paper)

138. Yuta Iwama, Takayuki Ito, “Implementation of Question Answering System Based on Reference-based Ranking Algorithm” In the proceedings of the 27th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA-AIE 2014), June 3-6, 2014, in Kaohsiung, Taiwan.(Accepted,Full-paper)

139. Raiye Hailu and Takayuki Ito, “Optimal Preference Clustering Technique For Scalable Multiagent Negotiation(short paper)” In the proceedings of the 27th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA-AIE 2014), June 3-6, 2014, in Kaohsiung, Taiwan.(Accepted,Short-paper)

140. Takayuki Ito, Yuma Imi, Takanori Ito, and Eizo Hideshima, “COLLAGREE: A Faciliator-mediated Large-scale Consensus Support System”, Collective Intelligence 2014, June 10-12, 2014. MIT Cambridge, USA. (poster)

141. Tomomichi Hayakawa, Yuma Imi, Takayuki Ito, “Towards a Sustainable Volunteered Community: An Analysis of the OpenStreetMap Community in Japan and Its Activity After the 2011 Tohoku Earthquake”, PICMET2014 July 27 - 31, 2014 Kanazawa, Japan

142. Rafik Hadfi and Takayuki Ito. On the Complexity of Utility Hypergraphs, The Seventh International Workshop on Agent-based Complex Automated Negotiations (ACAN2014) (Accepted,Full-paper)

143. Tim Baarslag, Rafik Hadfi, Koen Hindriks, Takayuki Ito and Catholijn Jonker. Optimal Non-adaptive Concession Strategies with Incomplete Information, The Seventh International Workshop on Agent-based Complex Automated Negotiations (ACAN2014) (Accepted,Full-paper)

144. Keita Mizuno, Ryo Kanamori, and Takayuki Ito, "Proposal of information provision to probe vehicles based on distribution of link travel time that tends to have two peaks", Fourth International Workshop on Collaborative Agents -- REsearch and Development (CARE2013) ,“CARE for a Smarter Society”, held in conjunction with the 26th Australasian Joint Conference on Artificial Intelligence, and the 16th Conference on Principles and Practice of Multi-Agent Systems.

145. Shantanu Chakraborty, Takayuki Ito, "Incentive based Smart Pricing Scheme Using Scoring Rule", IEEE PES ISGT Europe 2013 (Full paper Accepted).

146. So Hashimoto, Ryo Kanamori and Takayuki Ito, "Auction-based Parking Reservation System with Electricity Trading"1st IEEE International Conference on Business Informatics(CBI), Vienna, Austria, July 15-18, 2013. (Full paper)

147. Satoshi Takahira, Ryo Kanamori and Takayuki Ito, "Experiment of Activity-Travel Survey System with Scheduling System"1st IEEE International Conference on Business Informatics(CBI), Vienna, Austria, July 15-18, 2013. (Short paper)

148. Takuya Yoshimura, Ryo Kanamori and Takayuki Ito, "Agent-based Home Power Management Model with Prediction of Photovoltaic Generation using Particle Filter", 5th International Conference on Advanced Power System Automation and Protection (APAP2013), Oct 28 - 31, Jeju, Korea, 2013. 

149. Jun Takahashi, Ryo Kanamori and Takayuki Ito, "Evaluation of Route Assignment Method with Anticipatory Stigmergy under Distributed Processing Environment", International Workshop on Smart Simulation and Modelling for Complex Systems (SSMCS 2013), August 3-9, 2013(Accepted)

150. Shantanu Chakraborty, Takayuki Ito, "Hierarchical Scoring Rule Based Smart Dynamic Electricity Pricing Scheme", International Workshop on Smart Simulation and Modelling for Complex Systems (SSMCS 2013), August 3-9, 2013 (Accepted)

151. Rafik Hadfi, Takayuki Ito, "Uncertainty of Cognitive Processes with High-Information Load", The 9th International Conference on Cognitive Science (ICCS) 2013 (Accepted).

152. Rafik Hadfi, Takayuki Ito, "Cognition as a Game of Complexity", International Conference on Cognitive Modeling (ICCM) 2013. (Poster;Accepted)

153. Ryo Kanamori, Takayuki Morikawa, Masaya Okumiya, Toshiyuki Yamamoto and Takayuki Ito, The Impact of Electric Vehicles on Travel Demand and Electricity demand in Nagoya, 13th International Conference on Computers in Urban Planning and Urban Management (CUPUM) 2013.7/2-5@Utrecht (Full paper Accepted)

154. Shantanu Chakraborty, Takayuki Ito, Ryo Kanamori and Tomonobu Senjyu, "Application of Incentive Based Scoring Rule Deciding Pricing for Smart Houses", 2013 IEEE PES General Meeting,Vancouver, BC, Canada, 21 - 25 July 2013.

155. Tomomichi Hayakawa, Yuma Imi and Takayuki Ito, "An Analysis on Community Activity based on Geo Information Data of OpenStreetMap in Japan", The Fifth International Workshop on Emergent Intelligence on Networked Agents (WEIN2013), May 6-7, 2013 (Accepted; Full paper).

156. Keiuske Hara, Takayuki Ito, "Effects of Dis GA based Mediation Protocol for Utilities that Change over Time", The Sixth International Workshop on Agent-based Complex Automated Negotiations (ACAN2013), May 6-7, 2013 (Accepted : Full paper).

157. Satoshi Takahira, Ryo Kanamori, Takayuki Ito, Prototype of Activity-Travel Survey System with Automatic Function of Route Serach, The First International Workshop on The 1st International Workshop on Multiagent-based Societal Systems (MASS2013) May 6-7, 2013 (Accepted : Full paper).

158. Takanobu Otsuka, Tatsunosuke Tsuboi, Takayuki Ito, "A Bayesian Network based Method for Reducing Noise-data for Anomaly Detection in Flexible Wireless Sensor Networks" The First International Workshop on The 1st International Workshop on Multiagent-based Societal Systems (MASS2013) May 6-7, 2013 (Accepted : Full paper).

159. Shantanu Chakraborty, Takayuki Ito and Ryo Kanamori, "Intelligent Resource Scheduling in Green Smart Grid Considering Uncertainties" The First International Workshop on The 1st International Workshop on Multiagent-based Societal Systems (MASS2013) May 6-7, 2013 (Accepted : Full paper).

160. Keisuke Hara, Mikoto Okumura and Takayuki Ito, A Mediator-based Agent Negotiation Protocol for Utilities that Change with Time, In the Proceedings of the 26th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2013), Amsterdam, Jun 17-21, 2013. (full paper)

161. Takanobu Otsuka, Tatsunosuke Tsuboi and Takayuki Ito, Prototyping and evaluation of a wireless sensor network that aims easy installation, In the Proceedings of the 26th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2013), Amsterdam, Jun 17-21, 2013. (short paper)

162. Chika Nishikawa, Akihiko Nagai, Takayuki Ito and Satomi Maruyama, An Implementation of a Menu-List Recommendation System Providing Feedback from User, In the Proceedings of the 26th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2013), Amsterdam, Jun 17-21, 2013. (short paper)

163. Takanobu Otsuka, Tatsunosuke Tsuboi, Takayuki Ito, ”Prototyping and evaluating a wireless sensor network for easy installation,” Computer and Information Science (ICIS), 2013 IEEE/ACIS 12th International Conference on , vol., no., pp.129,134, 16-20 June 2013 doi: 10.1109/ICIS,2013.

164. Takayuki Ito, Shantanu Chakraborty, Ryo Kanamori, and Tadanobu Otsuka, "Innovating Multiagent Algorithms for Smart City: An Overview", International Workshop on Knowledge and Service Technology for Life, Environment, and Sustainability, (KASTLES 2012), December 17, 2012.

165. Ryo Kanamori, Jun Takahashi, and Takayuki Ito, Evaluation of Anticipatory Stigmergy Strategies for Traffic Management, IEEE Vehicular Networking Conference 2012, Seoul, South Korea, November 14-16, 2012.

166. So Hashimoto, Ryo Kanamori, Takayuki Ito, and Shantanu Chakraborty, "Evaluation of Parking Reservation System with Auction Including Electricity Trading", International Workshop on 3rd International Workshop on Green Computing and Sustainable Society (GCSS'12), Macau, China, Dec 4 - 7, 2012. 

167. Jun Takahashi, Ryo Kanamori, and Takayuki Ito, "A Preliminary Study on Anticipatory Stigmergy for Traffic Management", International Workshop on 3rd International Workshop on Green Computing and Sustainable Society (GCSS'12), Macau, China, Dec 4 - 7, 2012. 

168. Naoki Fukuta and Takayuki Ito, "A Preliminary Experimental Analysis on Combinatorial Auction-based Electric Power Allocation for Manufacturing Industries" International Workshop on 3rd International Workshop on Green Computing and Sustainable Society (GCSS'12), Macau, China, Dec 4 - 7, 2012. 

169. Shantanu Chakraborty, Takayuki Ito, Tomonobu Senjyu and Ahmed Yousuf Saber, Optimal Economic Operation of Smart Grid by Fuzzy Advanced Quantum Evolutionary Method, In the Proceedings of the 2012 3rd IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe), Berlin, Germany, Oct. 14-17, 2012. 

170. Raiye Alemayehu and Takayuki Ito, Constraint definition rule to achieve high rate of success in negotiations, In the Proceedings of the 1st International Conference on Agreement Technologies (AT2012), Duborovnik, Croatia, Oct 15-16, 2012 (to appear). 

171. Akihiko Nagai and Takayuki Ito, The Significance of Serendipity in New Market Creation, In the Proceedings of The IEEE International Conference on Industrial Engineering and Engineering Management (IEEM2012), Dec 10-13, 2012, Hong Kong Convention and Exhibition Centre, Hong Kong, 2012 (to appear).

172. Yuma Imi, Tomomichi Hayakawa and Takayuki Ito, Analyzing the Effect of OpenStreetMap during Crises: The Great East Japan Earthquake, The 1st International Workshop on Smart Enterprise and Mobile Platforms, The 14 th IEEE International Conference on Commerce and Enterprise Computing (CEC), pp 126-130, Hangzhou, China, September 9-11, 2012.

173. Tomomichi Hayakawa, Yuma Imi and Takayuki Ito, Analysis of Quality of Data in OpenStreetMap, The 1st International Workshop on Smart Enterprise and Mobile Platforms, The 14 th IEEE International Conference on Commerce and Enterprise Computing (CEC), pp 131-134,Hangzhou, China, September 9-11, 2012.

174. Akihiko Nagai and Takayuki Ito, Proposal of Business process Visualization Tool, The 1st International Workshop on Smart Enterprise and Mobile Platforms, The 14 th IEEE International Conference on Commerce and Enterprise Computing (CEC), pp 135-139,Hangzhou, China, September 9-11, 2012.

175. Shun Okuhara, Takanobu Otsuka, Takuya Yoshimura, Raiye Hail and Takayuki Ito, Teaching Method based on Learning Networks, The 1st International Workshop on Smart Enterprise and Mobile Platforms, The 14 th IEEE International Conference on Commerce and Enterprise Computing (CEC), pp 140-143,Hangzhou, China, September 9-11, 2012.

176. Takayuki Ito, Jun Takahashi, Ryo Kanamori, Iván Marsa Maestre and Enrique De La Hoz, "Effect of Anticipatory Stigmergy on Decentralized Traffic Congestion Control", The 15th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA-2012), 2012 (to appear).

177. Shantanu Chakraborty, Takayuki Ito and Tomonobu Senjyu, Economical Operation of Thermal Generating units Integrated with Smart Houses, In the Proceedings of the 12th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2012), 2012.

178. Takayuki Ito, Ryo Kanamori, Jun Takahashi, Iván Marsa Maestre and Enrique De La Hoz, The Comparison of Stigmergy Strategies for Decentralized Traffic Congestion Control: Preliminary Results, In the Proceedings of the 12th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2012), 2012.

179. Tsuguya Ueta, Jun Takahashi, Akihiko Nagai and Takayuki Ito, Implementation of automatic nutrient calculation system for cooking recipes based on text analysis, In the Proceedings of the 12th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2012), 2012 (short paper). 

180. Rafik Hadfi and Takayuki Ito, Application of the Maximum Entropy Principle to Preferences Merging: Case of Utility Functions with Infinite Outcomes, The Fifth International Workshop on Agent-Based Complex Automated Negotiations (ACAN2012), Valencia, Spain, June 4-5, 2012.

181. Raiye Alemayehu and Takayuki Ito, Reducing The complexity of negotiations over interdependent issues, The Fifth International Workshop on Agent-Based Complex Automated Negotiations (ACAN2012), Valencia, Spain, June 4-5, 2012.

182. Takanobu Otsuka and Takayuki Ito, Distance and Reputation: Evaluating user reputations from Real Distance in Social Network, The Fifth International Workshop on Agent-Based Complex Automated Negotiations (ACAN2012), Valencia, Spain, June 4-5, 2012.

183. Ryo Kanamori, Nobuyasu Mizutani and Takayuki Ito, Agent-based Home Power Management Model considering the Instability of Renewable Energy, The Fifth International Workshop on Agent-Based Complex Automated Negotiations (ACAN2012), Valencia, Spain, June 4-5, 2012.

184. Takanobu Otsuka, Takayuki Ito, and Yuichi Kubota “An Implementation of A Precision Fastener Management System for Aircraft Manufacturing”, 2012 IEEE International Conference on Management of Information and Technology, Snur Bali, Indonesia, 11-13 June 2012.

185. Akihiko Nagai, Hiroki Nakagawa, andTakayuki Ito, “Re-examination of Market Strategies of Fabless Semiconductor Companies in Japan”, 2012 IEEE International Conference on Management of Information and Technology, Snur Bali, Indonesia, 11-13 June 2012.

186. Nobuyasu Mizutani, Ryo Kanamori, Takayuki Ito, "Agent-based Electrical Power Management Model in Consideration of Weather Change",
     In the Proceedings of IEEE Green Technologies Conference,Tulsa, Oklahoma, 2012. 

187. Takuya Yoshimura, Yutaro Fujii and Takayuki Ito, "Grouping Co-occurrence Filtering Based on Bayesian Filtering", In the Proceedings of The 25th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2012), Dalian, China, 2012. 

188. Hiroki Nakagawa, Akihiko Nagai and Takayuki Ito, "A Framework for Collaborative Business Development based on Middle Agent Model", In the Proceedings of The 25th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE2012), Dalian, China, 2012. 

189. Nagai,A.　Nakagawa,H and Takayuki Ito.” Market Strategies of fables Semiconductor Companies in Japan,”Portland International Center for Management of Engineering and Technology(PICMET2012)，July 2012． 

190. Nakagaw,H.　Nagai,A and Ito,T.” Effectiveness of Middle Mediator Model,” Portland International Center for Management of Engineering and Technology(PICMET2012)，July 2012.

191. Rafik Hedfi and Takayuki Ito, "Symptotic Maximum Entropy principle for Utility Elicitation under High Uncertainty and Partial Information", The 25th International FLAIRS Conference (FLAIRS-25), May 23-25, 2012.

192. Tsuguya Ueta，Masashi Iwakami and Takayuki Ito, "Implementation of a Goal-Oriented Recipe Recommendation System Providing Nutrition Information”，The 2011 Conference on Technologies and Applications of Artificial Intelligence (TAAI 2011)，2011.

193. Hiroki Nakagawa，Akihiko Nagai，and Takayuki Ito，”A Proposal of Middle-Agent Based Framework for Innovating A Business Model”， 1st ACIS International Symposium on Software and Network Engineering (SSNE2011)，Seoul，Korea，December，2011

194. Tsuguya Ueta，Masashi Iwakami and Takayuki Ito, "A Recipe Recommendation System based on Automatic Nutrition Information   Extraction"，The 2011 International Conference on Knowledge Science, Engineering and Management (KSEM2011)，2011.

195. Kanamori, R., Mizutani, N andTakayuki Ito: Agent-based electrical power management model for houses equipped with storage battery and photovoltaic units, International Workshop on Knowledge and Service Technology for Life, Environment, and Sustainability (KASTLES2011), December, 2011.

196. Takanobu Otsuka, Ryo Suzuki, Shogo Kawaguchi, and Takayuki Ito,"An Implementation of A Geolocation Information-sharing System", International Workshop on Knowledge and Service Technology for Life, Environment, and Sustainability, (KASTLES 2011), December 12-14, 2011.

197. Ryo Kanamori, Nobuyasu Mizutani and Takayuki Ito, "Agent-based electrical power management model for the house equipped with a storage battery and a photovoltaic unit", International Workshop on Knowledge and Service Technology for Life, Environment, and Sustainability (KASTLES 2011), December 12-14, 2011.

198. Akihiko Nagai, Takayuki Ito, "Approach to Storage Sharing Cluster that Optimizes Power Consumption in Subregion", 1st International Symposium on Green Computing and Sustainable Society (GCSS2011), December 9-10, 2011.

199. Raiye  Hailu and Takayuki Ito, "Challenges in Automating Collaborative Negotiations      ", Third IEEE International Conference on Intelligent Networking and Collaborative Systems (INCoS-2011), November 30 - December 2, 2011.

200. Satoashi TAKAHASHI, Tokuro MATSUO, Roger LEE, Takayuki Ito, "A Co-dependent Value-based Mechanism for the Internet Advertisement Auction", International Workshop on Multi-agent Smart Computing (MASmart2011), 14 - 15 November 2011.

201. Ryo Kanamori, Takayuki Morikawa and Takayuki Ito,"Evaluation of special lanes as incentive policies for promoting electric vehicles",International Workshop on Multi-agent Smart Computing (MASmart2011),14 - 15 November, 2011.

202. Naoki Fukuta andTakayuki Ito,"An Approach to Sustainable Electric Power Allocation Using a Multi-Round Multi-Unit Combinatorial Auction", International Workshop on Multi-agent Smart Computing (MASmart2011), 14 - 15 November, 2011.

203. Nobuyasu Mizutani, Katsuhide Fujita, Takayuki Ito,"Effective Distributed Genetic Algorithms for Optimizing Social Utility", The First International Workshop on Sustainable Enterprise Software (SES2011), IEEE-CEC2011 Workshp, Luxemberg, 2011.9.

204. Katsuhide Fujita, Mark Klein and Takayuki Ito, "Issue-Grouping Approach for Multiple Interdependent issues Negotiation with Exaggerator Agents", The First International Workshop on Sustainable Enterprise Software (SES2011), IEEE-CEC2011 Workshp, Luxemberg, 2011.9.

205. Naoki Fukuta and Takayuki Ito, "Toward Combinatorial Auction-based Better Electric Power Allocation on Sustainable Electric Power Systems", The First International Workshop on Sustainable Enterprise Software (SES2011), IEEE-CEC2011 Workshp, Luxemberg, 2011.9.

206. Takayuki Ito, Yuya Takahashi, Eizo Hideshima and Takanori Ito, "An Implementation of Web-based Consenting Support System for the Campus Greening Project: Preliminary Results", The First International Workshop on Sustainable Enterprise Software (SES2011), IEEE-CEC2011 Workshp, Luxemberg, 2011.9. 

207. Tokuro Matsuo, Yuji Hashiura and Takayuki Ito, "A Qualitative Decision Support System for Sustainable City Planning",The First International Workshop on Sustainable Enterprise Software (SES2011), IEEE-CEC2011 Workshp, Luxemberg, 2011.9.

208. Yutaro Fujii, Takuya Yoshimura, Takayuki Ito, Satoshi Ando, Filtering Harmful Sentences based on Three Words Co-occurrence, In the Proceedings of The 8th Annual Collaboration, Electronic messaging, Anti-Abuse and Spam Conference (CEAS 2011).

209. Katsuhide Fujita, Takayuki Ito, and Mark Klein, "Scalable and Efficient Negotiation Protocol: Decomposing the Contract Space based on Idea of Issue-Grouping", In the Proceedings of the 2ND INTERNATIONAL WORKSHOP ON MULTI-AGENT SYSTEMS AND COLLABORATIVE TECHNOLOGIES (I-MASC 2011), 2011.

210. Takayuki Ito, Naoki Fukuta, and Mark Klein "An Approach to Sharing Business Process Models in Agile-style Global Software Engineering", In the Proceedings of the First International Conference on Computer, Networks, Systems and Industrial Engineering (CNSI2011), 2011. 

211. Katsuhide Fujita, Mark Klein, Takayuki Ito, "Efficient Issue-Grouping Approach for Multi-Issues Negotiation between Exaggerator Agents", In the Proceedings of the National Conference on Artificial Intelligence (AAAI-2011), 2011 (poster abstract).

212. Shogo Kawaguchi, Katsuhide Fujita, Takayuki Ito, "Compromising Strategy based on Estimated Maximum Utility for Automated Negotiation Agents Competition (ANAC-10)", In the Proceeding of the 24th International Conference on Industrial, Engineering & Other Applications of Applied Intellitent Systems (IEA/AIE2011), 2011.

213. Katsuhide Fujita, Takayuki Ito and Mark Klein The Effect of Grouping Issues in Multiple Interdependent Issues Negotiation between Exaggerator Agents, In the Proceedings of the 4th International Workshop on Agent-based Complex Automated Negotiations (ACAN2011), 2011.

214. Raiye Hailu and Takayuki Ito Efficient Deal Identification For the Constraints Based Utility Space Model, In the Proceedings of the 4th International Workshop on Agent-based Complex Automated Negotiations (ACAN2011), 2011.

215. Rafik Hedfi and Takayuki Ito Agreement among Agents based on Decisional Structures and its Application to Group Formation, In the Proceedings of the 4th International Workshop on Agent-based Complex Automated Negotiations (ACAN2011), 2011.

216. Mikoto Okumura, Katsuhide Fujita and Takayuki Ito Implementation of Collective Collaboration Support System based on Automated Multi-Agent Negotiation, In the Proceedings of the 4th International Workshop on Agent-based Complex Automated Negotiations (ACAN2011), 2011.

217. Katsuhide Fujita, Takayuki Ito, Mark Klein,  “Scalable Negotiation Protocol based on Issue-Grouping for Highly Nonlinear Situation”, The 2010 Decision Making with Multiple Imperfect Decision Makers (NIPS 2010 Workshop), Canada,Dec., 2010.

218. Satoshi Ando, Yutaro Fujii, Takayuki Ito, "Filtering Harmful Sentences based on Multiple Word Co-occurrence", 9th IEEE/ACIS International Conference on Computer and Information Science , 2010.8.19.

219. Yuya Takahashi, Takayuki Ito, "An Efficient Real-Time Search Algorithm with Forecasting in Uncertain Problem Spaces", 9th IEEE/ACIS International Conference on Computer and Information Science , 2010.8.19.

220. Nobuyasu Mizutani, Katsuhide Fujita, Takayuki Ito, "Issue Clustering and Distributed Genetic Algorithms for Multi-issue Negotiations", 9th IEEE/ACIS International Conference on Computer and Information Science , 2010.8.19.

221. Dayong Ye, Minjie Zhang, Quan Bai and Takayuki Ito, "Self-organisation in an Agent Network via Multiagent Q-Learning", The 11th International Workshop on Knowledge Management and Acquisition for Smart Systems and Services (PKAW 2010), Daegu, Korea, Sep. 2010.

222. Katsuhide Fujita, Takayuki Ito, Mark Klein, “An Approach to Scalable Multi-issue Negotiation: Decomposing the Contract Space based on Issue Interdependencies”, The 2010 IEEE/WIC/ACM International Joint Conference on Intelligent Agent Technology (IAT2010), Tronto, Canada, Sep. 2010. Acceptance rate : 18.8%.

223. Takayuki Ito, Rafik Hedfi, and Katsuhide Fujita, "Towards Collective Collaborative Design : An Implementation of Agent-mediated Collaborative 3D Products Design System", International Workshop on Multi-Agent Systems and Collaborative Technologies (I-MASC2010), 2010 (to appear).

224. Katsuhide Fujita, Takayuki Ito and Mark Klein “The Effect of Grouping Issues in Multiple Interdependent Issues Negotiation based on Cone-Constrain” The 3rd International Workshop on Agent-based Complex Automated Negotiations (ACAN2010), Tronto, Canada, 2010年5月

225. Hideyuki Sugiura, Bipin Khanal, Takayuki Ito, Masashi Iwasaki, Katsuhide Fujita, and Masao Kobayashi, SmartContractor: A Distributed Task Assignement System based on the Simple Contract Net Protocol, Proceedings of The 12th International Conference on Principles of Practice in Multi-Agent Systems (PRIMA2009), pp.403-416, 2009.

226. Takuya Yamamoto and Takayuki Ito, Verification of the effect of introducing an agent in a prediction market, International Workshop on Agent-based Collaboration, Coordination, and Decision Support (ACCDS 2009), Nagoya, Dec 13, 2009. 

227. Katsuhide Fujita, Takayuki Ito, Mark Klein, “A Secure and Fair Negotiation Protocol in Highly Complex UtilitySpace based on Cone-Constraints”, The 2009 IEEE/WIC/ACM International Joint Conference on Intelligent Agent Technology (IAT2009), Milan, Italy, Sep 2009.

228. Masashi Iwakami and Takayuki Ito. Analyzing Network Structure of Borrowers and Lenders in Social Lending, NETSCI09, International Workshop and Conference on Complex Networks and their Applications, 2009.

229. Ivan Marsa-Maestre, Takayuki Ito, Katsuhide Fujita, Miguel A. Lopez-Carmona, Juan R. Velasco, Mark Klein,"Balancing Utility and Deal Probability for Negotiations in Highly Nonlinear Utility Spaces", In the Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence (IJCAI-09) to be held July 11 - 17 in Pasadena, California, USA.

230. Masashi Iwakami, Takayuki Ito, and Joaquin Delgado, "An Incentive Mechanism for Increasing Repayment Rate for Online Social Lending", In the Proceeding of the 22nd International Conference on Industrial, Engineering & Other Applications of Applied Intellitent Systems (IEA/AIE2009), 2009.

231. Katsuhide Fujita,Takayuki Ito, Mark Klein, "A Secure Protocol with Approximated Fairness in Multiple Interdependent Issue Negotiation", In the Proceedings of the Eighth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2009), 2009 (Poster).

232. Masashi Iwakami, Takayuki Ito, Joaquin Delgado, "A Dynamic Interest Rate Adjusting Mechanism for Online Social Lending", In the Proceedings of the Eighth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2009), 2009 (Poster).

233. Ivan Marsa-Maestre, Miguel A. Lopez-Carmona, Takayuki Ito, Mark Klein, Katsushide Fujita and Juan R. Velasco, “Constraint and Bid Quality Factor for Bidding and Deal Identification in Complex Automated Negotiations” The 2nd International Workshop on Agent-based Complex Automated Negotiations (ACAN2009), Budapest, Hungary, May 2009． 

234. Katsuhide Fujita, Takayuki Ito, Mark Klein, “Common Testbed Generating Tool based on XML for Multiple Interdependent Issues Negotiation Problems”, The 2nd International Workshop on Agent-based Complex Automated Negotiations (ACAN2009), Budapest, Hungary, May 2009. 

235. Katsuhide Fujita, Takayuki Ito, and Mark Klein, "Finding Nash Bargaining Solutions for Multi-issue Negotiations : A Preliminary Result", Proceedings of the Working Conference on Human Factors and Computational Models for Negotiation (HuCom 2008), Delft, Netherland, 2008.

236. Naoki Fukuta, and Takayuki Ito,``'Approximated Winner Determination for a Series of Combinatorial Auctions'',Proc. of the 1st International Conference on Agents and Artificial Intelligence (ICAART2009),2009.(to appear.)

237. Naoki Fukuta, and Takayuki Ito,``Winner Price Monotonocity for Approximated Combinatorial Auctions'',Proc. of IEEE/WIC/ACM IAT International Workshop on Electronic Commerce, Business, and Services (ECBS2008),2008.(to appear.)

238. Masao Kobayashi, and Takayuki Ito,``An Approach to Ranking Participants based on Relationship Network in E-Commerce'',Proc. of IEEE/WIC/ACM IAT International Workshop on Electronic Commerce, Business, and Services (ECBS2008),2008.(to appear.)

239. Naoki Fukuta and Takayuki Ito, Performance Analysis about Parallel Greedy Approximation on Combinatorial Auctions, Proceedings of the 1st Pacific RIm International Conference on Multi-Agents (PRIMA 2008), (to appear ; full paper), Hanoi, Vietnam, 2008.

240. Katsuhide Fujita, Takayuki Ito, and Mark Klein,Preliminary Result on Secure Protocols for Multiple Issue Negotiation Problems, Proceedings of the 1st Pacific Rim International Conference on Multi-Agents (PRIMA 2008), (to appear ; full paper), Hanoi, Vietnam, 2008.

241. Masashi Iwakami and Takayuki Ito, An Interest Rate Adjusting Method with Bayesian Estimation in Social Lending, Proceedings of the 1st Pacific Rim International Conference on Multi-Agents (PRIMA 2008), (to appear ; short paper), Hanoi, Vietnam, 2008.

242. Katsuhide Fujita, Takayuki Ito, and Mark Klein "Effects of Revealed Area based Selection Method for Representative-based Protocol", In the Proceedings of the 1st International Workshop on Agent-based Complex Automated Negotiations (ACAN 2008), 2008 (to appear).

243. Mikito Kobayashi, Fumiaki Minami, Takayuki Ito, and Satoshi Tojo, "An Implementation of Goal-Oriented Fashion Recommendation System", In the Proceeding of the 21st International Conference on Industrial, Engineering & Other Applications of Applied Intellitent Systems (IEA/AIE2008), 2008 (to apper; poster presentation).

244. Fumiaki Minami, Mikito Kobayashi and Takayuki Ito, "A Proposal on Recommender System based on Observing Web-Chatting", In the Proceeding of the 21st International Conference on Industrial, Engineering & Other Applications of Applied Intellitent Systems (IEA/AIE2008), 2008 (to apper; poster presentation).

245. Katsuhide Fujita,Takayuki Ito, Mark Klein, "A Multi-Round Persuasion based on Revealed Private Utility Space In Multi Issue Negotiations", In the Proceedings of the Seventh International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2008), 2008 (Short).

246. Naoki Fukuta and Takayuki Ito, "Fast Partial Reallocation in Combinatorial Auctions for Iterative Resource Allocation", In The Proceedings of The 10th Pacific Rim International Workshop on Multi-Agents (PRIMA 2007), Bangkok, Thailand, Nov. 21-23, 2007. 

247. Katsuhide Fujita and Takayuki Ito, "A Preliminary Analysis of Computational Complexity of the Threshold Adjusting Mechanism in Multi-Issue Negotiations", In The Proceeding of The 3rd International Workshop on Rational, Robust, and Secure Negotiations in Multi-Agent Systems (RRS2007), 2007. 

248. Katsuhide Fujita and Takayuki Ito, "An Approach to Implementing A Threshold Adjusting Mechanism in Very Complex Negotiations: A Preliminary Result", In The Proceedings of The 2nd International Conference on Knowledge, Information and Creativity Support Systems (KICSS277), 2007 (Best Student Paper Award). 

249. Masao Kobayashi and Takayuki Ito, "An Approach to Implement A Trading Network Visualizing System for Internet Auctions", In The Proceedings of The 2nd International Conference on Knowledge, Information and Creativity Support Systems (KICSS277), 2007 (to appear). 

250. Naoki Fukuta, and Takayuki Ito,"Periodical Resource Allocation Using Approximated Combinatorial Auctions", The Proceedings of the 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT/WI 2007), 2007(Full paper; to appear).Acceptance rate : 20%

251. Hiromitsu Hattori, Mark Klein, and Takayuki Ito, "A Multi-Phase Protocol for Negotiation with Interdependent Issues", The Proceedings of the 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT/WI 2007), 2007(Full paper; to appear). Acceptance rate : 20%

252. Masao Kobayashi and Takayuki Ito, "A Transactional Relationship Visualization System In Internet Auctions", The Proceedings of the 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT/WI 2007), 2007(Short paper; to appear). Acceptance rate : 28%

253. Naoki Fukuta and Takayuki Ito, "Short-Time Approximation on Combinatorial Auctions -- A Comparison on Approximated Winner Determination Algorithms", In the Proceeding of the 3rd International Workshop on Data Engineering Issues in E-Commerce and Services (DEECS2007), June 12, San Diego, USA, 2007 (to appear, full paper). 

254. Naoki Fukuta and Takayuki Ito, "Toward A Large Scale E-Market : A Greedy and Local Search based Winner Determination", In the Proceeding of the 20th International Conference on Industrial, Engineering & Other Applications of Applied Intellitent Systems (IEA/AIE2007), 2007 (to apper; poster presentation).

255. David Sarne, Sarit Kraus, Takayuki Ito, "Scaling-Up Shopbots - a Dynamic Allocation-Based Approach", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007.(Full) Acceptance rate : 22%.

256. Hiromitsu Hattori, Takayuki Ito, Mark Klein "Using Iterative Narrowing to Enable Multi-Party Negotiations with Multiple Interdependent Issues", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007 (Poster).

257. Florin Constantin, David Parkes, Takayuki Ito, " Online auctions for bidders with interdependent values", In the Proceedings of the Sixth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2007), 2007 (Poster).

258. Takayuki Ito, Mark Klein, Hiromitsu Hattori, "Multi-issue Negotiation Protocol for Agents: Exploring Nonlinear Utility Spaces", In the Twentieth International Joint Conference on Artificial Intelligence (IJCAI2007), Hyderabad, India, January 6-12, 2007 (full paper, poster presentation, accepted). 

259. Naoki Fukuta and Takayuki Ito, "Towards Better Approximation of Winner Determination for Combinatorial Auctions with Large Number of Bids", In the Proceeding of 2006 IEEE/WIC/ACM International Joing Conference on Web Intelligence and Intelligent Agent Technology (IAT2006), 2006 (short paper; to appear).

260. Takayuki Ito, Mark Klein, Hiromitsu Hattori, "A Negotiation Protocol for Agents with Nonlinear Utility Functions", In the 21st National Conference on Artificial Intelligence (AAAI2006), Boston, July 16-20, 2006 (poster). 

261. Tokuro Matsuo, Takayuki Ito, Robert Day, Toramatsu Shintani, "An Approach to Detecting Shill-Biddable Allocations in Combinatorial Auctions", In the Proceedings of the 2nd International Workshop on Data Engineering Issues in E-Commerce and Services (DEECS2006), 2006.

262. Tokuro Matsuo, Takayuki Ito, Robert Day, Toramatsu Shintani, "A Two-Stage Robust Combinatorial Auction Mechanism against False-name Bids", In the Proceedings of the First IEEE Pacific Rim International Workshop on Electronic Commerce (IEEE-PRIWEC2006), 2006.

263. Takayuki Ito, Mark Klein, Hiromitsu Hattori, "A Multi-Issue Negotiation Protocol among Nonlinear Utility Agents : A Preliminary Report", In the Proceedings of the 2nd International Workshop on Rational, Robust, and Secure Negotiations in Multi-Agent Systems (RRS2006), 2006 (to appear). 

264. Takayuki Ito, David Parkes, " Instantiating the Contingent Bids Model of Truthful Interdependent Value Auctions", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), 2006. Acceptance rate : 22%.

265. Tokuro Matsuo, Takayuki Ito, Robert Day, Toramatsu Shintani "A Robust Combinatorial Auction Mechanism against Shill Bidders", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), 2006. Acceptance rate : 22%.

266. Takayuki Ito, Mark Klein, "A Multi-Issue Negotiation Protocol among Competitive Agents based on Auctions", In the Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2006), 2006. (Short)

267. Takeshi Konagaya, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani, " Big Blackboard : On a Large Web Page by using a Fast Page Loading Method " In the Proceedings of The 2005 IEEE/WIC/ACM International Joint Conference on Web Intelligence (WI2005), 2005 (Short Paper).

268. Tokuro Matsuo, Takayuki Ito and Toramatsu Shintani,"An Approach to Avoiding Shill Bids based on Combinatorial Auction in Volume Discount," Proc. of the AAMAS2005 Workshop on Rational, Robust, and Secure Negotiations in Multi-Agent Systems (RRS2005), July. 2005 (to appear).

269. Takayuki Ito, Makoto Yokoo, Shigeo Matsubara, and Atsushi Iwasaki "A New Strategyproof Greedy-Allocation Combinatorial Auction Protocol and its Extension to Open Ascending Auction Protocol" In the Proceedings of the Twentieth National Conference on Artificial Intelligence (AAAI2005), pp.261-266, 2005. Acceptance rate : 18% (148/803).

270. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "A Learning Support Method in Qualitative Simulation-based Economic Education", In the Proceedings of the 20th National Conference on Artificial Intelligence (AAAI-2005), 2005 (student poster).

271. Takahiro Koga, Noriharu Tashiro, Tadachika Ozono, Takayuki Ito, Toramatsu Shintani, "Web Page Marker: a Web Browsing Support System based on Marking and Anchoring", In the 14th World Wide Web Conference(WWW2005), 2005 (poster abstract).

272. Yujiro Fukagaya, Tadachika Ozono, Takayuki Ito, Toramatsu Shintani, "MiSpider: A Continuous Agent on Web pages", In the 14th World Wide Web Conference(WWW2005), 2005 (poster abstract).

273. Hiromitsu Hattori, Takayuki Ito, Tadachika Ozono, Toramatsu Shintani, "A Nurse Scheduling System based on the Dynamic Constraint Satisfaction Problem", In the Proceedings of the 17th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2005), pp. 799 - 808, 2005 (Lecture Notes in Artificial Intelligence (LNAI 3533), Springer).

274. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "A Support Method for Qualitative Simulation Based Learning System" In the Proceedings of the 17th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2005), pp. 851-854, 2005 (Lecture Notes in Artificial Intelligence (LNAI 3533), Springer).

275. Takayuki Ito, Tokuro Matsuo, Tadachika Ozono, and Toramatsu Shintani, "A Strategy-proof Mechanism based on Multiple Auction Support Agents" In the Proceedings of the 17th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2005), pp. 175-184, 2005 (Lecture Notes in Artificial Intelligence (LNAI 3533), Springer).

276. Satoshi Watanabe, Takayuki Ito, Tadachika Ozono and Toramatsu Shintani, ``A Paper Recommendation Mechanism for the Research Support System Papits'', International Workshop on Data Engineering in Electronic Commerce (DEEC2005), 2005.

277. Tokuro Matsuo, Takayuki Ito, Toramatsu Shintani: A Volume Discount-Based Allocation Mechanism in Group Buying, International Workshop on Data Engineering in Electronic Commerce (DEEC2005), 2005.

278. Takafumi Yamaya, Yusuke Hiraoka, Hiromitsu Hattori, Takayuki Ito, Naoki Fukuta, Tadachika Ozono, and Toramatsu Shintani, "MiNet: Building Ad-hoc Peer-to-Peer Networks for information Sharing based on Mobile Agents", In the Proceedings of the 5th International Conference on Practical Aspects of Knowledge Management (PAKM2004), 2004. Acceptance rate : 40/160.

279. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara: " Designing Auction Protocols under Asymmetric Information on Nature's Selection, " In the Proceedings of DIMACS Workshop on Computational Issues in Auction Design, Rutgers University, NJ, on October 7 and 8, 2004.

280. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani:A Tele-Learning Support System for Consumers Education, Proc. of the International Conference on Computers in Education, Melborne, Australia, November 2004.

281. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani:An economic education support system based on qualitative/quantitative simulations, Proc. of the International Workshop on Qualitative Reasonning(QR04), Illinois, U.S.A, August 2004. 

282. Tomoharu Hasegawa, Toramatsu Shintani, Takayuki Ito, and Tadachika Ozono, "A Feature Selection for Text Categorization on Research Support System Papits", In the Proceedings of the 8th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2004). 

283. Hiromitsu Hattori, Toramatsu Shintani, Atsushi Isomura, Takayuki Ito, and Tadachika Ozono, "Stable Solutions dealing with Dynamics in Scheduling based on Dynamic Constraint Satisfaction Problems", In the Proceedings of the 8th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2004) (poster abstract).

284. Masaaki Tanaka, Tokuro Matsuo, Noriharu Tashiro, Kentaro Nishi, Takayuki Ito, and Toramatsu Shintani, "An Implementation of Web-Based Interactive Integrative Learning Supporting System", The 2004 International Conference on Artificial Intelligence (IC-AI2004), Las Vegas, June 2004.

285. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "A Buyers Integration Support System in Group Buying", In the Proceedings of the IEEE Conference on E-commerce Technology(IEEE CEC 2004), pp.111-118, July 2004.

286. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "A Combinatorial Auction among Versatile Experts and Amateurs" In the Proceedings of the Third International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2004), pp378-385, 2004. Acceptance rate : 24%.

287. Noriharu Tashiro, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:"Implementing a Proxy Agent based Writable Web for a Dynamic Information Sharing System, " In the 13th World Wide Web Conference(WWW2004), 2004 (poster abstract).

288. Toshihiro Yamaguchi, Takayuki Ito, and Toramatsu Shintani: "On a Web Browsing Support System with 3D Visualization," In the 13th World Wide Web Conference(WWW2004), 2004 (poster abstract) .

289. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "A Qualitative-Quantitative Methods-Based e-Learning Support System in Economic Education", In the Proceedings of the 19th National Conference on Artificial Intelligence (AAAI-2004), pp.592 -597, 2004. Acceptance rate : 26%.

290. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani, "An e-Learning Support System Based on Qualitative Simulations for Assisting Consumers' Decision Making", In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2004), pp. 867- 875, 2004

291. Takayuki Ito, Kazuhisa Oguri, and Tokuro Matsuo, "A Location Information System based on Real-time Probabilistic Position Inference" In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2004), pp.797-806, 2004.

292. Ahelm Ben Hassine, Takayuki Ito, and Ho Tu Bao, "Scheduling Meetings with Distributed Local Consistency Reinforcement", In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2004),pp.679-688, 2004 (Nominated for the best paper) .

293. Hiromitsu Hattori, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani, "Coalition Formation among Agents in Complex Problems based on a Combinatorial Auction Perspective," In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2004), pp. 176-187, 2004.

294. Ahlem Ben Hassine, Takayuki Ito, and Tu Bao Ho, "A New Distributed Approach to Solve Meeting Scheduling Problems," In Proceedings of the 2003 IEEE/WIC International Conference on Intelligent Agent Technology (IAT 2003), 2003 p.588-591. Halifax, Canada, 13-16 October 2003.

295. Tokuro MATSUO, Takayuki ITO, "A Buyers Integration Support System based on Users' Multi Attribute Utilities for Internet Group Buying", In the 12th World Wide Web International Conference (WWW-2003), Budapest, Hungary, 2003 (poster abstract).(to appear)

296. Masaki Hyoudo, Tokuro Matsuo, and Takayuki Ito, "An Optimal Coalition Formation Among Buyer Agents Based on a Genetic Algorithm", In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2003), Loughborough, United Kingdom, June 23-26, pp.369-378, 2003 (Lecture Notes in Artificial Intelligence (LNAI 2718), Springer).

297. Tokuro Matsuo, and Takayuki Ito, "A Bidders Cooperation Support System for Agent-based Electronic Commerce", In the Proceedings of the 16th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2003), Loughborough, United Kingdom, June 23-26, pp.369-378, 2003 (Lecture Notes in Artificial Intelligence (LNAI 2718), Springer).

298. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "Towards a Combinatorial Auction Protocol among Experts and Amateurs: The Case of Single-Skilled Experts," In the Proceedings of the Second International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2003), pp.481-488, 2003. Acceptance rate : 25%.

299. Tokuro MATSUO, Takayuki ITO, "A Bidder Group Support System to Participate in Multiple Auctions", In the Proceedings of 1st International Forum on Information and Computer Technology, pp. 62 - 67, Hamamatsu, Japan, Jan. 9-10, 2003.

300. Hiromitsu HATTORI, Tadachika OZONO, Takayuki ITO, and Toramatsu SHINTANI: "An Automated Budget Allocation Mechanism for Simultaneous Multiple Bidding", Student Poster Abstracts, in the Proceedings of Eighteenth National Conference on Artificial Intelligence (AAAI-02), Edmonton, Canada, July 28-August 1 , 2002.

301. Takayuki ITO, Hiromitsu Hattori, and Toramatsu Shintani, " Incentive Compatibility on Multiple Internet Auctions based on Bidding Support Agents ", In the Proceedings of 11th International World Wide Web Conference (WWW 2002), Honolulu, Hawaii, USA, May 7-11, 2002 (poster abstract).

302. Tokuro MATSUO, Takayuki ITO, " A Decision Support System for Group Buying based on Buyers' Preferences in Electronic Commerce ", In the Proceedings of 11th International World Wide Web Conference (WWW 2002), Honolulu, Hawaii, USA, May 7-11, 2002 (poster abstract).

303. Tokuro MATSUO, Takayuki ITO, "Effects of Nomination in a Multiagent Reverse Auction", In the Proceedings of 6th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2002), Vol. XVII, pp. 199-204, 2002.

304. Tokuro MATSUO, Takayuki ITO, "A Designated Bid Reverse Auction for Agent-based Electronic Commerce", In the Proceedings of International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2002), (Lecture Notes in Artificial Intelligence (LNAI), Springer), pp. 460-469, Cairns, Australia, June 2002.

305. Takayuki Ito, Makoto Yokoo, and Shigeo Matsubara, "Designing an Auction Protocol under Asymmetric Information on Nature's Selection," In the Proceedings of the International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS2002), Bologna, Italy, July 15-19, pp.61-68, 2002. Acceptance rate : 26%.

306. Ranjit Nair, Takayuki Ito, Miliind Tambe, and Stacy Marsella, "Task allocation in the RoboCup Rescue simulation domain: A short note," In RoboCup-2001: Robot Soccer World Cup V, A. Birk and S. Coradeschi (Eds.), Lecture Notes in Artificial Intelligence (LNAI 2377), Springer Verlag, pp.751-754, 2002.

307. Naoki Fukuta, Takayuki ITO, Tadachika Ozono, and Toramatsu Shintani, "A Framework for Cooperative Mobile Agents and Its Case-Study on BiddingBot", In A. Namatame, T. Terano, and K. Kurumatani (Eds.) Frontiers in Artificial Intelligence and Applications, Vol.72, IOS Press, pp.235-242, Feb. 2002.

308. Naoki Fukuta, Takayuki ITO, and Toramatsu Shintani, "An Approach to Building Mobile Intelligent Agents Based on Anytime Migration", n R. Kowalczyk, S.W. Loke, N.E. Reed, and G. Williams (Eds.) Lecture Notes in Artificial Intelligence, Vol.2112, Springer-Verlag, pp.219-228, Oct. 2001.

309. Ryota Yamada, Takayuki ITO, Hiromitsu Hattori, Tadachika Ozono, and Toramatsu Shintani, "MultiHammer: A Virtual Auction System for a Testbed of Agent-Mediated Electronic Commerce," In the Proceedings of the Pacific Asian Conference on Intelligent Systems (PAIS-2001), pp.73-77, 2001.

310. Takayuki ITO, Hiromitsu Hattori, and Toramatsu Shintani, "A Cooperation Mechanism among Seller Agents based on Exchanging Goods in Agent-mediated Elecronic Commerce," In the Proceedings of the Pacific Asian Conference on Intelligent Systems (PAIS-2001), pp.89-96, 2001.

311. Toramatsu Shintani and Takayuki ITO, "Cooperative Meeting Scheduling among Agents based on Multiple Negotiations," In the Proceedings of Sixth International Conference on Cooperative Information Systems(CoopIS 2001), pp.95-107, (Lecture Notes in Computer Science (LNCS) Volume 2172, Springer), 2001.

312. Naoki Fukuta, Takayuki ITO, and Toramatsu Shintani, "On Implementing Cooperative E-commerce Support Agents Using Mobile Intelligent Agent Framework MiLog," In the Proceedings of 2nd International Conference on Software Engineering, Artificial Intelligence, Networking & Parallel/Distributed Computing(SNPD-01), pp.928-935, 2001.

313. Hiromitsu HATTORI, Takayuki ITO, Tadachika OZONO and Toramatsu SHINTANI, "A Hierarchical Coalition Formation Mechanism using Argumentation-based Negotiation for Group Decision Making", In the Proceedings of 2nd International Conference on Software Engineering, Artificial Intelligence, Networking & Parallel/Distributed Computing(SNPD-01), pp.326-331, 2001.

314. Takayuki ITO, Hiroyuki OCHI, and Toramatsu SHINTANI, "A Group Buy Protocol based on Coalition Formation for Agent-mediated E-Commerce", In the Proceedings of the 2nd International Conference on Software Engineering, Artificial Intelligence, Networking & Parallel/Distributed Computing (SNPD 01), pp.921-927, 2001.

315. Naoki FUKUTA , Takayuki ITO, Tadachika OZONO, and Toramatsu SHINTANI, "A Framework for Cooperative Mobile Agents and Its Case-Study on BiddingBot," In the Proceedings of the JSAI 2001 International Workshop on Agent-based Approaches in Economic and Social Complex Systems (AESCS 2001), pp.91-98, 2001.

316. Naoki Fukuta, Takayuki Ito, and Toramatsu Shintani, "A Logic-based Framework for Mobile Intelligent Information Agents," In the Proceedings of the 10th International World Wid Web Conference (WWW10), pp. 58-59, 2001.

317. Hiromitsu Hattori, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani, "An Approach to Coalition Formation Using Argumentation-Based Negotiation in Multi-agent Systems," In the Proceedings of the 14th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems (IEA/AIE-2001)(Lecture Notes in Artificial Intelligence (LNAI) 2070, Laszlo Monostori, Jozsef Vancza, and Moonis Ali Eds., Springer), pp. 687--696, Budapest, Hungary, June 4--7 2001.

318. Naoki FUKUTA, Takayuki ITO, and Toramatsu SHINTANI: "MiLog: A Mobile Agent Framework for Implementing Intelligent Information Agents with Logic Programming," In the Proceedings of the First Pacific Rim International Workshop on Intelligent Information Agents(PRIIA'2000), pp.113-123, 2000.(Also: ``An Approach to Building Mobile Intelligent Agents Based on Anytime Migration'', In R. Kowalczyk, S.W. Loke, N.E. Reed, and G. Williams (Eds.) Lecture Notes in Artificial Intelligence (LNAI), Vol.2112, ``Advanvces in Artificial Intelligence. PRICAI 2000 Workshop Reader'', Springer, pp.219-228, Oct. 2001.)

319. Ranjit Nair, Takayuki Ito, Milind Tambe, and Stacy Marsella, ``Robocup Rescue: A Proposal and Preliminary Expreriences,'' Workshop on Robocup Rescue at International Conference on Multiagent Systems (ICMAS2000), pp.69-75, 2000.

320. Takayuki ITO, Naoki FUKUTA, Ryota YAMADA, Toramatsu SHINTANI, and Katia SYCARA,: "Cooperative Biddding Mechanisms among Agents in Multiple Online Auctions," In the Proceedings of the Sixth Pacific Rim International Conference on Artificial Intelligence (PRICAI'2000), p.810, 2000 (poster abstract).

321. Toramatsu SHINTANI, Takayuki ITO, and Katia SYCARA,: "Multiple Negotiations among Agents for a Distributed Meeting Scheduler," In the Proceedings of the Fourth International Conference on Multi Agent Systems (ICMAS'2000),pp.435-436, 2000 (poster abstract).

322. Takayuki ITO, Naoki FUKUTA, Toramatsu SHINTANI, and Katia SYCARA,: "BiddingBot: A Multiagent Support System for Cooperative Bidding in Multiple Auctions," In the Proceedings of the Fourth International Conference on Multi Agent Systems (ICMAS'2000), pp.399-400, 2000. (poster abstract)

323. Hiromitsu HATTORI, Takayuki ITO and Toramatsu SHINTANI,: "An Approach to Improving Quality and Facilitating Consensus in Negotiation Among Agents",In the Proceedings of IASTED International Conference, Intelligent Systems and Control(ISC), pp.252-257, 1999.

324. Takayuki ITO and Toramatsu SHINTANI,: "A Utility Revision Mechanism Among Agents Based on User's Uncertain Judgements", In the Proceedings of IASTED International Conference, Intelligent Systems and Control(ISC), pp.258-263, 1999.

325. Takayuki ITO and Toramatsu SHINTANI,: "Utility Revision in A Java-based Group Decision Support System", In the Proceedings of the 5th Pacific Rim International Conferences on Artificial Intelligence (PRICAI'98) Workshop on Java-based Intelligent Systems, pp.61-72, 1998.

326. Toramatsu SHINTANI and Takayuki ITO,: ``An Architecture for Multi-Agent Negotiation Using Private Preferences in a Meeting Scheduler", In the Proceedings of the 5th Pacific Rim International Conferences on Artificial Intelligence (PRICAI'98)(Lecture Notes in Artificial Intelligence 1531, PRICAI'98: Topics in Artificial Intelligence, Hing-Yan Lee and Hiroshi Motoda (Eds.),Springer), pp.47-58, 1998.

327. Takayuki ITO and Toramatsu SHINTANI.: ``An Agenda-scheduling System Based on Persuasion Among Agents'', In the Proceedings of the IPSJ International Symposium on Information Systems and Technologies for Network Society , pp.287-294, World Scientific, Fukuoka, Japan, September 1997.

328. Takayuki ITO and Toramatsu SHINTANI.: ``Persuasion among Agents : An Approach to Implementing a Group Decision Support System Based on Multi-Agent Negotiation'', In the Proceedings of the 15th International Joint Conference on Artificial Intelligence (IJCAI-97), pp.592-597, Morgan Kaufmann Publishers, Inc., 1997.OHP Slides. Acceptance rate : 25%.

329. Takayuki ITO and Toramatsu SHINTANI.: ``Implementing an agent negotiation protocol based on persuasion.'', In the Proceedings of the Second International Conference on Multiagent Systems(ICMAS-96), p.443, AAAI Press, 1996. (Poster abstract)

330. Takayuki ITO and Toramatsu SHINTANI.: ``An Approach to a Multi-agent Based Scheduling System Using a Coalition Formation'', In the Proceedings of the Ninth International Conference on Industrial & Engineering Applications of Artificial Intelligence and Expart Systems (IEA/AIE-96), p.780. Gordon and Breach Science Publishers, 1996. (Poster abstract)

Other publications (first author and in Japanese)

1. Takayuki Ito and David C. Parkes, "Designing An Interdependent Value Auction based on Contingent Bids," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006.

2. Takayuki ITO, Makoto YOKOO, Katsutoshi HIRAYAMA, and Hiroshi YAMAKI, "Multiagent theories for safe ubiquitous environments", Joint Agent Workshop & Symposiumn (JAWS2004), 2004.

3. Takayuki ITO, Makoto YOKOO, and Shigeo MATSUBARA: "Designin g a Combinatorial Auction Protocol among Versatile Experts and Amateurs", Proceedings of the 18th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI),2004 (to appear).

4. Takayuki Ito, and Toramatsu Shintani: "A Frame Representation Description Method for Knowledge Representation Markup Language KRML and its application",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

5. Takayuki ITO and Toramatsu Shintani "A Cooperation Mechanism among Agents and Humans based on Adjustable Autonomy and its Application", Joint Agent Work Shop (JAWS2003), pp.222- 228, 2003.

6. Takayuki ITO, Makoto YOKOO, and Shigeo MATSUBARA: "A Multi-Unit Auction among Experts and Amateurs - In Case of Single-Skilled Experts - ", SIG-ICS & IEICE-AI, Vol. 102, No. 614, pp.11-16, 2003.

7. Takayuki ITO, Makoto YOKOO, and Shigeo MATSUBARA: "Designing an Multi-Unit Auction Protocol with Asymmetric Information on Nature's Selection", Joint Agent Work Shop (JAWS2002), pp.264-271, 2002.

8. Takayuki ITO, Makoto YOKOO, and Shigeo MATSUBARA: "Designing an Auction Protocol with Asymmetric Information on Nature's Selection", Proceedings of the SIG-KBSE(IEICE), and the 55th SIG-KBS(JSAI), Technical report of IEICE, KBSE2001-57, Vol.101, No. 602, pp.15-22, 2002.

9. Takayuki ITO, Ranjit Nair, Milind Tambe, and Stacy Marsella, "On a task allocation mechanism among agents based on an auction mechanism in the Robocup Rescue simulation," Proceedings of the 2nd SICE System Integration Division Conference (SI2001), pp.341-342, 2001.

10. Takayuki ITO and Toramatsu SHINTANI: `` On a Multiagent Cooperative Bidding Strategy for Multiple Online Auctions ,'' Proceedings of the 60th Annual Conference of Information Processing Society of Japan (IPSJ), pp.19-20, 2000.

11. Takayuki ITO and Toramatsu SHINTANI: ``Experimental Evaluation of GCDSS: a Group Decision Support System based on Negotiation among Agents,''Proceedings of the 13th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI),pp.417-420, 1999.

12. Takayuki ITO, Naoki Fukuta, and Toramatsu SHINTANI: ``On a Multi-Agent Cooperative Bidding Mechanism for Multi-Agent Online Auction Bidding Support Systems,''Proceedings of the 8th Workshop on Multi-Agents and Cooperative Computation (MACC99), 1999.

13. Takayuki ITO and Toramatsu SHINTANI: ``On a Group Decision Support System based on Multiple Negotiations among Agents,'' Proceedings of the 58th Annual Conference of Information Processing Society of Japan (IPSJ), pp.392-393, 1999.

14. Takayuki ITO and Toramatsu SHINTANI: ``On a group schedule management system using a preference-based distributed ATMS,'' Proceedings of the 34th SIG-FAI, Japanese Society for Artificail Intelligence (JSAI), pp.75-80, 1998.

15. Takayuki ITO and Toramatsu SHINTANI: ``On a preference-based distributed ATMS in multi-agent scheduling system,'' Proceedings of the 57th Annual Conference of Information Processing Society of Japan (IPSJ) , pp.392-393, 1998.

16. Takayuki ITO and Toramatsu SHINTANI: ``On a preference-based ATMS in multiagent environment and its application,''Proceedings of the 12th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI),pp.542-543, 1998.

17. Takayuki ITO and Toramatsu SHINTANI: ``On a negotiation method among mobile agents based on intelligent movements'', Proceedings of the 56th Annual Conference of Information Processing Society of Japan (IPSJ) (2), pp.412-413, 1998.

18. Takayuki ITO and Toramatsu SHINTANI: ``On Agenda-Scheduling based on Persuasion among Agents,'' Proceedings of 1997 IEICE Information and System Society Special Symposium "Software Agents and its Applications," The Institute of Electronics, Information and Communication Engineers (IEICE), pp.120-125, 1997.

19. Takayuki ITO and Toramatsu SHINTANI: ``An implementation of group decision support system based on negotiation among mobile agents,'' Record of 1997 Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers, p.308, 1997.

20. Takayuki ITO and Toramatsu SHINTANI: ``On a Persuasion Mechanism Based on Suspended Proposals for Consensus Among Agents,'' Proceedings of the 11th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI),pp.217-218, 1997.

21. Takayuki ITO and Toramatsu SHINTANI: ``On Meeting Scheduling Based on Multi-agent Persuasion'', Proceedings of the 28th SIG-FAI, Japanese Society for Artificail Intelligence (JSAI), pp. 80-85, 1997.

22. Takayuki ITO and Toramatsu SHINTANI: ``On negotiation based on persuasion among agents by using AHP,'' Proceedings of the 54th Annual Conference of Information Processing Society of Japan (IPSJ) (2), pp.111-112, 1997.

23. Takayuki ITO and Toramatsu SHINTANI: ``An implementation of a group decision support system based on persuasion among agents,'' Record of 1996 Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers, p.305, 1996.

24. Takayuki ITO and Toramatsu SHINTANI: ``On Angent Negotiation Based on Persuasion and Nemawashi and its Application'', Proceedings of the 10th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.151-154, 1996.

25. Takayuki ITO and Toramatsu SHINTANI: ``Implementing a scheduling system based on coalition formation among agents,'' Proceedings of the 52th Annual Conference of Information Processing Society of Japan (IPSJ) (2), pp.3-4, 1996.

26. Takayuki ITO and Toramatsu SHINTANI: ``An implementation of a computer-purchasing support system based on case-based reasoning,'' Proceedings of the 50th Annual Conference of Information Processing Society of Japan (IPSJ) (2), pp.137-138, 1995.

27. Takayuki ITO and Toramatsu SHINTANI: "Implementing a scheduling system using Multi TMS", Proceedings of the 8th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.273-276, 1994.

Demonstrations

• Ranjit Nair, Takayuki Ito, Milind Tambe, and Stacy Marsella, ``Robocup Rescue Agents: Facing the Challenges of Rapidly Chaniging Environments,'' Demonstration, International Conference on Autonomous Agents (Agents'2001), 2001.

Book reviews and Conference reports (in Japanese)

• Takayuki Ito, "Global Eye : Division of Engineering and Computer Science, Harvard University", Journal of Japan Society for Artificial Intelligence, 2006.

• Takayuki Ito, "My Bookmark : Multi Agent Systems", Journal of Japan Society for Artificial Intelligence, 2003.

• Takayuki Ito and Masayuki Ohta, "AAMAS2002 Conference Report," Computer Software (The Journal of JSSST), Japan Society for Software Science and Technology (JSSST), Vol.20, No.1, pp.98-102, 2002.

• Takayuki ITO ``Introduction of Research Laboratories: University of Southern California - Information Sciences Institute (USC/ISI), Milind Tambe's Group'', Journal of Japan Society for Artificial Intelligence, Vol.16, No.1, pp.176-177, 2000.

• Takayuki ITO ``Doctor Thesis Collection: Study of Multiagent Cooperation Mechanisms for Decision Support and their Applications", Journal of Japan Society for Artificial Intelligence, Vol.15, No.6, 2000.

• Takayuki ITO ``Multiagent Systems'',Information Processing, Information Processing Society of Japan, Vol.40, No.10, p.1046, 1999.

• Takayuki ITO ``AAAI'99'', Information Processing, Information Processing Society of Japan, Vol.40, No.9, p.950, 1999.

Other Publications (in Japanese & co-author)

1. Yuta Mito, and Takayuki Ito, “A Proposal on the method for selecting a prioritized target in real time multi moving target search," In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007.

2. Masao Kobayashi, and Takayuki Ito, "Evaluation and Implementation of a judgment model for fraud users in e-commerce network," In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007.

3. Katsuhide Fujita, and Takayuki Ito, "An Analysis on the representative selection method for persuasive negotiation mechanism in multi-issue negotiations" In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007.

4. Takyuya Yamamoto, and Takayuki Ito, "An Analysis on Stability of keyword auction based on locally envy free equilibrium," In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007.

5. Fumiaki MINAMI, Mikito KOBAYASHI, and Takayuki Ito, "A Proposal on Cloth Recommendation System based on conversation between users and sellers on web chatting," In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007.

6. Mikito KOBAYASHI, Fumiaki MINAMI, Takayuki Ito，Satoshi TOJO, "An Implementation of Goal-Oriented Fashion Recommendation System with Concept Dictionary," In the Proc. of the 70th Annual Conference of IPSJ, Mar. 2007. (Student Encourage Award)

7. Mikito KOBAYASHI, Fumiaki MINAMI, Takayuki Ito，Satoshi TOJO, "An Implementation of Cloth Recommendation System Based on User's Situation", IEICE SIG-WI2, 10th Web Intelligence and Interaction , 2007 (IN JAPANESE).

8. Fumiaki MINAMI，Mikito KOBAYASHI，Takayuki Ito，"The Item Recommender System based on Real-Time Change of User Profile with Web-Chat Interface", Japan Society for Artificial Intelligence, 67th SIG-FPAI, Nov 3 - 4, 2007 (IN JAPANESE).

9. Mikito KOBAYASHI, Fumiaki MINAMI, Takayuki Ito，Satoshi TOJO, "An Implementation of Gift Recommendation System Based on User's Infomation", Joint Agent Workshop and Symposium (JAWS2007), 2007 (IN JAPANESE).

10. Yuta MITO, Takayuki Ito，"Real-Time Search Method for Multi Moving- Targets", Joint Agent Workshop and Symposium (JAWS2007), 2007 (IN JAPANESE).

11. Katsuhide FUJITA, Takayuki Ito，Hiromitsu HATTORI, "Using Autonomous Threshold Adjustment to Enable Multi- Party Negotiations with Multiple Interdependent Issues", Joint Agent Workshop and Symposium (JAWS2007), 2007 (IN JAPANESE).

12. Fumiaki MINAMI，Mikito KOBAYASHI，Takayuki Ito，"An Implementation of Goal-Oriented Book Recommendation System with Concept Dictionary", Japan Society for Software Science and Technology(JSSST2007), 2007 (IN JAPANESE).

13. Takuya YAMAMOTO,Takayuki Ito，"A Transactional Relationship Visualization System in the Internet Auctions", Forum on Information Technology(FIT2007) 2007 (IN JAPANESE).

14. Masao KOBAYASHI, Takayuki Ito，"A Transactional Relationship Visualization System in the Internet Auctions", Forum on Information Technology(FIT2007) 2007 (IN JAPANESE).

15. Katsuhide FUJITA, Takayuki Ito，"Using Autonomous Threshold Adjustment to Enable Multi-Party Negotiations with Multiple Interdependent Issues", Forum on Information Technology(FIT2007), 2007 (IN JAPANESE).

16. Naoki Fukuta and Takayuki Ito,"An Evaluation of Short-time Approximation Algorithm on Combinatorial Auctions," 6th Forum on Information Technology (FIT 2007), Information Processing Society of Japan(IPSJ), Sept. 2007. [in Japanease] (peer reviewed)

17. Osamu Kawamura, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "Algorithmic Composition System based on Sequential Rhythm-Interval Generation Model," IPSJ SIG Technical Report, Information Processing Society of Japan(IPSJ), Dec. 2005. (To Appear)[in Japanease]

18. Yasuto Mukai, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "The Analysis of Users Bihavior for optimization of transmission of information on web," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

19. Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "A Smart Mailbox Generation Method based on Self-Organizing based on Form of an E-mail," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. 

20. Manabu Matsuyama, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "information recommendation technique in case both a user model and a context change dynamically," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

21. Masaki Tanabe, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "web servise addition system by bookmarklet for user browsing domain ," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

22. Jin QingXi, Tokuro Matsuo, Masaki Komatsu, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "A Learning Support System based on Qualitative Environment Analysis," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

23. Masaki Komatsu, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "JavaScript development environment to enable code concealment by hiding decryption situation," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

24. Osamu Kawamura, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "Automatic Classification of Standerd MIDI Files based on Rhythm," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

25. Tokuro Matsuo, Takayuki Ito and Toramatsu Shintani, "Evaluations of Social Surplus and Theoretical Characterizations in a Robust Two-Stage Auction Mechanism against Shill bidders," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006. (To Appear)

26. Tokuro Matsuo, Masaki Komatsu, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "Evaluations of an Education Support System based on Qualitative Modeling in Economic Dynamics," In the Proc. of the 68th Annual Conference of IPSJ, Mar. 2006.

27. Yujiro Fukagaya, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "Implementing a Web Browsing Support Agent Based on MiSpider," In the Proc. of the 22th Annual Conference of Japan Society for Software Science and Technology, Sept. 2005.

28. Yasuto Mukai, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "Dynamic page construction system based on push type transmission of information ," 4th Forum on Information Technology, Information Processing Society of Japan(IPSJ), Sept. 2005.

29. Manabu Matsuyama, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "Extracting Keywords for Personalization using Deviation of Interest and Ill-chosen Documents," 4th Forum on Information Technology, Information Processing Society of Japan(IPSJ), Sept. 2005.

30. Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "Implementing of an E-Mail Consult System based on E-Mail Mapping," 4th Forum on Information Technology, Information Processing Society of Japan(IPSJ), Sept. 2005.

31. Osamu Kawamura, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,
    "A Method of Characterful-Phrase Extraction Based on Adaptation," 4th Forum on Information Technology, Information Processing Society of Japan(IPSJ), Sept. 2005.

32. Tokuro MATSUO, Takayuki Ito, and Toramatsu SHINTANI, "Detecting shill bidder-groups and item allocations in Multi-unit auctions",  Joint Agent Workshop 2005(JAWS 2005), 2005.

33. Yusuke Hiraoka, Yujiro Fukagaya, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani, "A Webmail System Considering User's Situation Based on Web Agent MiSpider," Joint Agent Workshop 2005 (JAWS 2005), 2005.

34. Tokuro Matsuo, Takayuki Ito and Toramatsu Shintani, "A Discovering Method of False-name Bidders in Combinatorial Auctions," MYCOM2005, Japan Society of Artificial Intelligence, May. 2005. [in Japanease]

35. Tokuro Matsuo, Takayuki Ito and Toramatsu Shintani,"A Method of Discovering Shill Bidders based on a Comparison of Bidders' Utilities in Combinatorial Auctions," 4th Forum on Information Technology (FIT 2005), Information Processing Society of Japan(IPSJ), Sept. 2005. [in Japanease] (peer reviewed)

36. Takafumi Yamaya, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,"An implementation of network system for Information sharing based on the agents," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

37. Kentaro Nishi, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "Implementation of Advertising Controll System Based on Web Agent - MiSpider -," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005.

38. Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,"An Method and Experimentation of Rule induction for E-Mail Classification based on a Self Organizing Map ," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

39. Takeshi Konagaya, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "Big Black Board : A Web Information Sharing System Based on Transmitting and Exchanging Information," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

40. Masaki Komatsu, Tokuro Matsuo, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani,"A Causal Model Building Support System by Causal Model Reuse in Qualitative Simulator," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

41. Tokuro Matsuo, Takayuki Ito and Toramatsu Shintani, "A Discovering Method of Shill Bidders in Combinatorial Auctions," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

42. Toshihiro Yamaguchi, Tadachika Ozono, Takayuki Ito and Toramatsu Shintani, "An Implementation of a Nurse Scheduling System with a Team Structure Using CSP," 19th JSAI Annual Conference 2005, The Japanese Society for AI(JSAI), Jun. 2005. [in Japanease]

43. Takahiro Koga, Noriharu Tashiro, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"Web Page Marker: An Implementaion of a Browsing Support System, " In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ),6R-4, Information Processing Society of Japan (IPSJ), Mar. 2005.

44. Noriharu Tashiro, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Web pages of Cooperative Editing using WFE, " In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ) , 6Y-7, Information Processing Society of Japan (IPSJ), Mar. 2005.

45. Junichi Hayakawa, Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"On a Color Coordination System for Web Page Design", Proc. of the 67th Annual Conference of Information Processing Society of Japan (IPSJ) , Tokyo, Japan, March 2005.

46. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani:"An Efficient Allocation Mechanism based on Volume Discount", Proc. of the 67th Annual Conference of Information Processing Society of Japan (IPSJ) , Tokyo, Japan, March 2005.

47. Satoshi Watanabe, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"An Information Recommendation Using the Change of the Research Topics Based on Word Co-occurrence," In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ),1R-3, Information Processing Society of Japan (IPSJ), Mar. 2005.

48. Yuta Nagata, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"A method of Black List expansion based on Web structure for Web Filtering", Proc. of the 67th Annual Conference of Information Processing Society of Japan (IPSJ) , Tokyo, Japan, March 2005.

49. Yujiro Fukagaya, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"An Agent System on Web pages, " In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ) , 1R-5, Information Processing Society of Japan (IPSJ), Mar. 2005.

50. Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"The Proposal the automatic mailbox creating system by using unsupervised mail clustering" In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ),5R-6, Information Processing Society of Japan (IPSJ), Mar.2005.

51. Masaki Komatsu, Tokuro Matsuo, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:" An support system for building causal model based on tree structure for qualitative reasoning, " In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ), 3M-2, Information Processing Society of Japan (IPSJ), March, 2005.

52. Kentaro Nishi, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"Implementation of Push Type Information Sharing Environment on Existing Web Page"In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ), March, 2005.

53. Manabu Matsuyama, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"Technique for estimated distribution about user’s interest in Weblog ",In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ) ,Information Processing Society of Japan (IPSJ), Mar. 2005.

54. Kazuhiro Hori, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"About explanation of book recommendation in book information management system MiBook", The 67th national convention of Information Processing Society of Japan , March, 2005.

55. Takeshi konagaya, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Transmission Reduction by Partial Display of Web Page", In the Proceedings of the Sixty seventh Annual Conference of Information Processing Society of Japan (IPSJ) ,Information Processing Society of Japan (IPSJ), Mar. 2005.

56. Takahiro Koga, Noriharu Tashiro, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"An Implementation of a Web Page Marking System ", In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

57. Toshihiro Yamaguchi, Hiromitsu Hattori, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Implementing a Nurse Scheduling System for Stable Scheduling," In the Proc of Tokai-Section Joint Conference of The Institutes of Electrical and Related, Sep, 2004.

58. Yuta Nagata, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Implementing a Hazardous Web Pages Filtering System by Using a Query Expansion based on Web Mining", In the Proc of Tokai-Section Joint Conference of The Institutes of Electrical and Related, Sep, 2004.

59. Yuya Okawara, Satoshi Watanabe, Tadachika Ozono,Takayuki Ito, and Toramatsu Shintani: "A movie information discovery system by visualizing relevance of movie information", In the Proc of Tokai-Section Joint Conference of The Institutes of Electrical and Related, Sep, 2004.

60. Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:
    "On a Mail Perusal Support System Using an Accordion Mail View",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.

61. Masaki Komatsu, Takayuki Ito, and Toramatsu Shintani: Knowledge Representation Markup Language KRML for information sharing systems,,In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.

62. Hirokazu Taki, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "On a JavaScript Code Hiding Method using a Java Applet and an One Time Key", In the CD-ROM of 2004 Tokai-Section Joint Conference of the Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of the Institutes of Electrical and Related Engineers, Sep, 2004.

63. Yujiro Fukagaya, Takafumi Yamaya, Hiromitsu Hattori,Takayuki Ito, and Toramatsu Shintani: ”M-Script: a script language for controling agents", In the Proc of Tokai-Section Joint Conference of The Institutes of Electrical and Related, Sep, 2004.

64. Miyashita Tsuneo, Yusuke Hiraoka, Masaki Komatsu, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:
    "On a Concert Information Recommendings System Using Collaborating Filtering", In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

65. Yasunari Kajikawa, Satoshi Watanabe, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Implementing a Q&A Search System for Discovering Important Claims", In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

66. Tanabe Masaki, Takafumi Yamaya, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"An Information Sharing Method between Private Networks for the Document Sharing System MiDoc ",In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

67. Junichi Hayakawa, Yusuke Hiraoka, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"On a Color Coordination Support System for Web Pages",In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

68. ShimizuToru, Yusuke Hiraoka, Satoshi Watanabe, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:
    "A Slide Show Mechanism for a Mail Viewer", In the Proc of 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, 2004 Tokai-Section Joint Conference of The Institutes of Electrical and Related Engineers, Sep. 2004.

69. Tokuro MATSUO, Masaaki TANAKA, Takayuki ITO, Toramatsu SHINTANI, "An Economic Education Support System based on Causal Model",PC Conference, CIEC, 2004.

70. Yuta Nagata, Takayuki ITO, and Toramatsu Shintani:"A Knowledge Market Mechanism for Knowledge Sharing System COLM" 18th JSAI Annual Conference 2004, May 2004.

71. Hiromitsu Hattori, Takayuki ITO, and Toramatsu Shintani:”The constraints addition method for solution stability in Nurse Scheduling based on Dynamic Valued Constraint Satisfaction Problem," Proc. of the 18th Annual Conference of Japanese Society for Artificial Intelligence(JSAI), May, 2004.

72. Manabu Matsuyama, Yusuke Hiraoka, Takayuki ITO, and Toramatsu Shintani: "The trial production of a user profile generation mechanism for paper collection share system -MiDoc- and the evaluation",18th JSAI Annual Conference 2004, May 2004.

73. Masaya Suzuki, Takayuki ITO, and Toramatsu Shintani: "Implementation of the system supports the Information share with the strange users in a radio ad hoc network",18th JSAI Annual Conference 2004, May 2004.

74. Yasuto Mukai, Tokuro Matsuo, Hiromitsu Hattori, Takayuki ITO, and Toramatsu Shintani: " Receptionist:a Visitor Guideshow System based on Mediate agent in conformity with situation of Organization man", The 18th Annual Conference of JSAI, May 2004.

75. Kazuhiro Hori, Masaki Komatsu, Takayuki ITO, and Toramatsu Shintani: "Recommendation mechanism based on the utilization status in book information management system MiBook ",The 18th Annual Conference of JSAI, May 2004.

76. Osamu Kawamura, Takayuki ITO, and Toramatsu Shintani: " Feature Extraction Based on Performances Equal to A Quater Note Span, The 18th Annual Conference of JSAI, May 2004.

77. Tokuro Matsuo, Takayuki ITO, and Toramatsu Shintani: "An Economic Education Support System using Qualitative Simulations", 18th JSAI Annual Conference 2004, May 2004.

78. Takafumi Yamaya, Hiromitsu Hattori, Takayuki ITO, and Toramatsu Shintani: "Location transparency operation for mobile agent and Application of distributed system" The 18th Annual Conference of JSAI, May 2004.

79. Toshihiro Yamaguchi, Takayuki ITO, and Toramatsu Shintani: "Implementation of stable re-schedulable nurse work schedule management support system", 18th JSAI Annual Conference 2004, May 2004.

80. Kentaro Nishi, Tokuro Matsuo, Noriharu Tashiro, Takayuki ITO, and Toramatsu Shintani: Implementation of HPS for Online Web-Page Creation and Evaluation about it's Usability,"The 18th Annual Conference of JSAI, May 2004.

81. Tokuro MATSUO, Takayuki ITO, and Toramatsu SHINTANI, "An e-Learning Support System for Consumers based on Qualitative Simulation ", SIG-CE, Information Processing Society of Japan, 2004(to appear).

82. Tokuro MATSUO, Takayuki ITO, and Toramatsu SHINTANI, "A Designated Bid Auction Protocol based on Evaluation Values", Technical report of IEICE, IEICE SIG-AI, 2004 (to appear).

83. Masaaki Tanaka, Kentaro Nishi, Noriharu Tashiro, Takayuki Ito, and Toramatsu Shintani, "An Integrated Learning Supporting System utilizing Web," 40th Inforcom, JST, 2003.

84. Masaki HYODO, Tokuro MATSUO, Takayuki ITO, Susumu KUNIFUJI, "An Optimal Coalition Formation in Electronic Group Buying which established the Individual Reservation Prices",Proc. of the 66th Annual Conference of Information Processing Society of Japan (IPSJ) , Tokyo, Japan, March 2004 (to appear)

85. KAWAMURA OSAMU, Takayuki Ito, and Toramatsu Shintani:" Adlib Imitating System based on a case base of musical performances, ",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

86. Masaya Suzuki, Takayuki Ito, and Toramatsu Shintani: "Implementation of the information shared system based on the radio ad hoc network by the multi agent",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

87. Yasuto Mukai, Takayuki Ito, and Toramatsu Shintani:"an Implementation of the auction support system by management of the personalized information using the cellular phone" In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

88. Tomoharu Hasegawa, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani: "An Implementation of A FAQ Generation Support System using a Large Amount of question and answer data in a call center,"In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

89. Yoshinobu Bochi, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani: "Production Rule Generation Unit based on Reinforcement Learning on Soar Architecture," In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

90. Yuta Nagata, Takayuki Ito, and Toramatsu Shintani: "Knowledge Market for Knowledge Sharing System based on Reputation",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

91. Yuta Nagata, Takayuki Ito, and Toramatsu Shintani: "Collaborative On-Line Manual for Programming Support based on user's memo",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

92. Takafumi Yamaya, Yuta Nagata, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani: "An Implementation of Real-time Location Infomation Viewer for Mobile Agent System",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

93. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani: "A Designated Bid Reverse Auction based on Seller Eevaluations", In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

94. Yusuke Hiraoka, Takayuki Ito, and Toramatsu Shintani: "MiDoc, paper collection and share system with information mobility", In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.

95. Noriharu Tashiro, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani: "The Framework of Additional Information Sharing on the Web page using Proxy Agent,"In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.

96. Manabu Matsuyama, Yusuke Hiraoka, Satoshi Watanabe, Takayuki Ito, and Toramatsu Shintani: "About the user profile generation based on the keyword extraction using the collection paper,"In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

97. Kentaro Nishi, Noriharu Tashiro, Takayuki Ito, and Toramatsu Shintani: "Simple web-page creation support system using web-browser", In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.

98. Hiromitsu Hattori, Mariko Taga, Masaya Suzuki, Takayuki Ito, and Toramatsu Shintani:
    "iPlan: a Support System for Recording Plan Generation among Multi-users," In the Proceedings of the Sixty-sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

99. Kazuhiro Hori, Masaki Komatsu, Takayuki Ito, and Toramatsu Shintani: "An implementation of the agent based book information management system MiBook",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.(to Appear).

100. Toshihiro Yamaguchi, Takayuki Ito, and Toramatsu Shintani: "Web browser inspection support system which uses 3D drawing technology," In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ), Information Processing Society of Japan (IPSJ),Mar.2004.

101. Satoshi Watanabe, Takayuki Ito, and Toramatsu Shintani: "Papers Management Supporting System Based on Distributed Information Sharing Environment,"In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.(to Appear).

102. Atsushi Isomura, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani: "Implementation of re-schedulable nurse scheduling system based on Dynamic Valued Constraint Satisfaction Problem",In the Proceedings of the Sixty sixth Annual Conference of Information Processing Society of Japan (IPSJ) , Information Processing Society of Japan (IPSJ), Mar. 2004.

103. KAWAMURA OSAMU, Tomoharu Hasegawa, Takayuki Ito, and Toramatsu Shintani:"Adlib Imitating System, "In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,pp.250, Oct. 2003 (Research Award).

104. Masaki HYODO, Tokuro MATSUO, Takayuki ITO, Susumu KUNIFUJI, "A Travel Planning Support System based on Genetic Algorithms", Proc. of 2003 Hokuriku-Section Joint Conference of Electrical and Related Engineers, Toyama, Japan, September 2003.

105. Hirokazu Taki, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"Restaurant Selection Support System with Web Proxy Agent"In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, pp.260, Institutes of Electrical and Related Engineers,Oct. 2002.

106. Tomoharu Hasegawa, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"feature selection of the question and answer data for FAQ generation support system ," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers, pp.258, Oct.2003.

107. Takafumi Yamaya, Yuta Nagata, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:"An Implementation of a Viewer that supports Agent Test-Debug on a Mobile Agent Framework,MiLog," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers,Oct.2003.

108. Yusuke Hiraoka, Tomoharu Hasegawa, Yoshinobu Bochi, Takayuki Ito, and Toramatsu Shintani:"Mail perusal support with a cellular phone", in the Proc of Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers, pp.261, Oct, 2003.

109. Mariko Taga, Takayuki Ito, and Toramatsu Shintani:"Making a Plan of Television Program Support System," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, pp.262, Institutes of Electrical and Related Engineers,Oct.2003.

110. Takeshi konagaya, Yuta Nagata, Takayuki Ito, and Toramatsu Shintani:"The help system consulting Blog for use in User's Web consult history," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, Institutes of Electrical and Related Engineers, pp.237-237 , Oct.2003.

111. Yuta Nagata, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"On-line manual producing support system based on user's memo",In the Proc of Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers,pp.260, Oct, 2003.

112. Kentaro Nishi, Noriharu Tashiro, Takayuki Ito, and Toramatsu Shintani:"Web page creation support system by the direct input from a browser," In the Record of 2003 Tokai Section Joint Conference of the Institutes of Electrical and Related Engineers, pp261, Institutes of Electrical and Related Engineers, Oct. 2003.

113. Masaya Suzuki, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"An Implementation of a Peer-to-Peer type Research Support System with Paper Recommendation Mechanism by Using Bibliography Information,"In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers, pp.253, Oct.2003.

114. Atsushi Isomura, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"Re-scheduling a roster based on Dynamic Valued Constraint Satisfaction Problems," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers, pp.231, Oct.2003.

115. Masaki Komatsu, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:"Information Management Support System InfoManager on Internet Auctions," In the Record of 2003 Tokai Section Joint Conference of the Institutes of Electrical and Related Engineers, pp252, Institutes of Electrical and Related Engineers, Oct. 2003.

116. Manabu Matsuyama, Satoshi Watanabe, Takayuki Ito, and Toramatsu Shintani:"The trial production of an information share mechanism using the user profile based on the statistical keyword extraction technique, " In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, Institutes of Electrical and Related Engineers, pp.259 , Oct.2003.

117. Yoshinari Takeyama, Takayuki Ito, and Toramatsu Shintani:"The trial production of the portal page creation support system using RSS, "In the Record of 2003 Tokai Section Joint Conference of the Institutes of Electrical and Related Engineers, pp.262, Institutes of Electrical and Related Engineers, Oct. 2003.

118. Toshihiro Yamaguchi, Takayuki Ito, and Toramatsu Shintani:"Visualization of the bookmark with 3D in a Web browser." In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers,Oct.2003.

119. Tokuro Matsuo, Takayuki Ito, and Toramatsu Shintani:"A Structural Model for Qualitative Simulation-based a Contractors' Decision Support System", in the Proc of Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers, Oct, 2003.

120. Kazuhiro Hori, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"Implementation of apparatus of emotion in BDI Agent," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, pp.249, Institutes of Electrical and Related Engineers,Oct.2003.

121. Noriharu Tashiro, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"Implementing OnLine Direct Editing System for Web-page," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, pp262, Institutes of Electrical and Related Engineers,Oct.2003 (Research Award).

122. Yasuto Mukai, Atsushi Isomura, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:"An Implementation of the task integrated system using groupwares ," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, pp259,Institutes of Electrical and Related Engineers,Oct.2003.

123. Satoshi Watanabe, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"User models construction method using scale-free network for paper information recommendation,"In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Institutes of Electrical and Related Engineers,pp.237,Tokai Section joint Conference of the Institutes of Electrical and Related Engineers,Oct.2003.

124. Yoshinobu Bochi, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"Rule Generation based on Reinforcement Learning and Subgoaling Using Background Knowledge on Soar Archigecture," In the Record of 2003 Tokai Section joint Conference of the Institutes of Electrical and Related Engineers, Vol. 1, No. 1, p 234, Institutes of Electrical and Related Engineers, Oct.2003.

125. Yusuke Hiraoka, Tomoharu Hasegawa, Yoshinobu Bochi, Takayuki Ito, and Toramatsu Shintani:"Contents Simpli cation for Reading Mails on Cellular Phones"In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and TechnologyÅCJapan Society for Software Science and Technology,September 2003 ,(to Appear)[in Japanese]

126. Satoshi Watanabe, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani:"User Models Using Scale-free Network in Research Activities," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

127. Yasuto Mukai, Atsushi Isomura, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani: "An Implementation of a Communication Support System based on Multi-Agents,"In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and TechnologyÅCJapan Society for Software Science and Technology,September 2003 ,(to Appear),[in Japanese]

128. Atsushi Isomura, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Nurse Scheduling System based on a Dynamic Valued Constraint Satisfaction," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

129. Toshihiro Yamaguchi, Takayuki Ito, and Toramatsu Shintani: "Visualization of Web Bookmark and Browsing Histories with 3D Technology," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear),[in Japanese]

130. Tomoharu Hasegawa, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:"A FAQ generation support system using the question and answer data in a call center," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

131. Yuta Nagata, Takayuki Ito, Tadachika Ozono, and Toramatsu Shintani: "Implementing a Collaborative On-Line Manual for Logic Programming Language MiLog"In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,[in Japanese]

132. Yoshinobu Bochi, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani: "Implementation of Rule Generation and Conflict Resolution Unit Using Reinforcement Learning on Soar Architecture," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

133. Noriharu Tashiro, Takayuki Ito, and Toramatsu Shintani: "A Mechanism of Web-page Online Partial Editing Mechanism and its Application," In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

134. Takafumi Yamaya, Yuta Nagata, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:"An Implementation of an Agent Viewer that Supports Location Transparency on a Mobile Agent Framework, MiLog,"In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003,(to Appear)[in Japanese]

135. Tokuro Matsuo, Takayuki Ito, Hiromitsu Hattori, and Toramatsu Shintani: "A Qualitative Simulation Model for Buyers' Decision Making", In the Proceedings of the 20th Annual Conference of Japan Society for Software Science and Technology (JSSST), Japan Society for Software Science and Technology (JSSST), Sep.2003. (to Appear)[in Japanese]

136. Masaki HYODO, Tokuro MATSUO, Takayuki ITO, and Susumu Kunifuji, "On the Real-Time Coalition Formation Support Algorithm for the Electronic Group Buying", In the Technical Report of the Institute of Electronics, Information, and Communication Engineers, pp.25-30, 2003

137. Masaaki Tanaka, Noriharu Tashiro, Kentaro Nishi, Takayuki Ito, Tadachika Ozono, Toramatsu Shintani,"A Method of Learning by Investigation and Experience utilizing the an Excursion Ticket", Summer Symposium in Shizuoka 2003 (SSS2003), SIG-CE, Information Processing Society of Japan, 2003.

138. Tokuro MATSUO, Masaki HYODO, Takayuki ITO: "A Buyer Allocation Support System in First-Price Auctions", SICE Annual Conference 2003 (SICE2003).(to appear)

139. Masaki HYODO, Tokuro MATSUO, Takayuki ITO: "An Optimal Coalition Formation Algorithm for Electronic Group Buying", SICE Annual Conference 2003 (SICE2003).(to appear)

140. Toshiyuki Hirata, Kazuhisa Ooguri and Takayuki Ito, "An Implementation of A Location Information Display Interface based on User's Permission-based Privacy", Proceedings of the 65th Annual Conference of Information Processing Society of Japan (IPSJ), 2003.

141. Masaki Hyodo, Tokuro Matsuo and Takayuki Ito, "Real-Time Coalition Formation in Electronic Group Buying based on a Genetic Algorithm", Proceedings of the 65th Annual Conference of Information Processing Society of Japan (IPSJ), 2003.

142. Ohguri Kazuhisa and Takayuki Ito, "A Location Information System based on Probabilistic Reasoning in a Group", Proceedings of the 65th Annual Conference of Information Processing Society of Japan (IPSJ), 2003 (Student Award).

143. Tokuro Matsuo and Takayuki Ito, "Effects of Group Integration based on Users' Multi-attribute Utilities in an e-Group Buying Market", Proceedings of the 65th Annual Conference of Information Processing Society of Japan (IPSJ), 2003.

144. Kunihiro Yamashita, Susumu Kunifuji, Kazushi Nishimoto, Takayuki Ito, and Kazunori Miyata: "The Applications of Position Information Awareness Server in the Knowledge Creation Buildings", Special Interest Group on Groupware and Network services (SIG-GN), Information processing Society of Japan (IPSJ), pp. 65-70, 2003. (in Japanese).

145. Tokuro MATSUO, Takayuki ITO: "A Group Coalition Support System based on Multi Attribute Preferences in e-Group Buying ", Special Interest Group on Intelligence and Complex Systems (SIG-ICS), Information Processing Society of Japan (IPSJ), 2002. (in Japanese).

146. Toshiki KAMIYA, Takayuki ITO: "An Information Sharing and Messaging System based on Memos", Hokuriku-Section Joint Conference of Electrical and Related Engineers, p.362, 2002. (in Japanese)

147. Tokuro MATSUO, Takayuki ITO: "A Group Integration in a Group Buying Support System based on Substitute Goods", Hokuriku-Section Joint Conference of Electrical and Related Engineers, 2002.(to appear) (in Japanese)

148. Kazuhisa Oguri, Takayuki Ito: "An Approach to Learning Location Information for A Community Support System", SICE Annual Conference (SICE2002), 2002.

149. Tokuro Matsuo, Takayuki Ito: "An Implementation of a Group Buying Support System based on Buyers' Preference", SICE Annual Conference (SICE2002), 2002.

150. Akihito Nakagawa, Takayuki Ito: "An Implementation of A Knowledge Recommendation System based on Similarity among User's Profiles ", SICE Annual Conference (SICE2002), 2002.

151. Tokuro MATSUO, Takayuki ITO: "A Designated Bidding Reverse Auction based on a Buyer's Preference.", 16th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), 2002.

152. Tokuro Matsuo, Takayuki ITO ``A Multiagent Reverse Auction based on Designated Bids,'' Proceedings of the 64th Annual Conference of Information Processing Society of Japan (IPSJ) (2), pp.189-190, 2002.

153. Kosuke Shinoda, Takayuki ITO, Susumu Kunifuji, "The distributed cooperation plannning for heterogeneous agents on RoboCup-Rescue," Proceedings of the 2nd SICE System Integration Division Conference (SI2001), pp.341-342, 2001.

154. Hiromitsu HATTORI, Takayuki ITO, and Toramatsu SHINTANI, ``On a Commerce Mechanism based on Coalition Formation among Agents in Agent-mediated Electronic Commerce", 10th Multi-Agents and Cooperative Computation (MACC2001), 2001.

155. Naoki Fukuta, Takayuki Ito, Toramatsu Shintani, "On Implementing an Intelligent Mobile Agent-based Web Page Constructing Framework, MiPage," Proceedings of the 53th SIG-KBS, Japanese Society for Artificial Intelligence(JSAI), 2001(to appear).

156. Naoki FUKUTA, Takayuki ITO, Tadachika OZONO, and Toramatsu SHINTANI, ``On Implementing Anytime Migration on the Mobile Agent Description Language MiLog,'' Proceedings (3) of the 62th Annual Conference of Information Processing Society of Japan (IPSJ), pp.439-440, 2001.

157. Takahiro TANAKA, Hiromitsu HATTORI, Takayuki ITO, Tadachika OZONO, and Toramatsu SHINTANI, ``Implementing a Hierarchical Consensus Mechanism for Group Decision Support,'' Proceedings (2) of the 62th Annual Conference of Information Processing Society of Japan (IPSJ), pp.57-58, 2001.

158. Hiroyuki OCHI, Hiromitsu HATTORI, Takayuki ITO, Tadachika OZONO, and Toramatsu SHINTANI, ``A Realization of A Multi-Agent Cooperative System for Group Buy,'' Proceedings (2) of the 62th Annual Conference of Information Processing Society of Japan (IPSJ), pp.55-56, 2001.

159. Hiromitsu HATTORI, Takayuki ITO, Tadachika OZONO, and Toramatsu SHINTANI, ``A Coalition Formation Method using Argumentation-based Negotiation in Multi-agent Systems,'' Proceedings (2) of the 62th Annual Conference of Information Processing Society of Japan (IPSJ), pp.51-52, 2001.

160. Ryota Yamada, Takayuki Ito, Naoki Fukuta, and Toramatsu Shintani:" Wrapper Generating Mechanism for Multiple Instance Sources on WWW, " In the Proceedings of the 2000 Society Conference of Institute of Electronics, Information and Communication Engineers (IEICE), pp.91, Institute of Electronics, Information and Communication Engineers (IEICE), Oct. 2000.

161. Hirokazu Soejima, Naoki Fukuta, Tadachika Ozono, Takayuki Ito, and Toramatsu Shintani:" An Inter-Agent's Private Information Sharing Method based on Friendship, " In the Proceedings of the 2000 Society Conference of Institute of Electronics, Information and Communication Engineers (IEICE), pp.82, Institute of Electronics, Information and Communication Engineers (IEICE), Oct. 2000.

162. Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:" On Agent Negotiation Method Based on Exchanging of Attribute in Multiattribute Decision Problem and its Application, " In the Proceedings of the 2000 Society Conference of Institute of Electronics, Information and Communication Engineers (IEICE), pp.87, Institute of Electronics, Information and Communication Engineers (IEICE), Oct. 2000.

163. Takahiro Tanaka, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:" A Choosing Party Place Support System Based on Hierarchical Consensus Mechanism, " In the Proceedings of the 2000 Society Conference of Institute of Electronics, Information and Communication Engineers (IEICE), pp.83, Institute of Electronics, Information and Communication Engineers (IEICE), Oct. 2000.

164. Hiroyuki Ochi, Hiromitsu Hattori, Takayuki Ito, and Toramatsu Shintani:" Implementing a Multi-Agent Negotiation System based on Group Discount, " In the Proceedings of the 2000 Society Conference of Institute of Electronics, Information and Communication Engineers (IEICE), pp.85, Institute of Electronics, Information and Communication Engineers (IEICE), Oct. 2000.

165. Ryota Yamada, Takayuki Ito, Naoki Fukuta, and Toramatsu Shintani:" On Wrapper Generating Method Based on Comparing Tree Structured HTML Descriptions, " In the Record of 2000 Tokai Section Joint Conference of the Institutes of Electrical and Related Engineers, pp.299, Institutes of Electrical and Related Engineers, Sep. 2000.

166. Takahiro TANAKA, Takayuki ITO, and Toramatsu SHINTANI, "A Hierarchical Consensus Mechanism among Agents for Organizational Decision Making ," Proceedings of the 14th Annual Conference of Japanese Society for Artificial Intelligence(JSAI), Japanese Society for Artificial Intelligence(JSAI), 2000.

167. Hiroyuki OCHI, Takayuki ITO, and Toramatsu SHINTANI, "Implementing a Multi-Agent Electronic Commerce Support System based on Group Discount," Proceedings of the 14th Annual Conference of Japanese Society for Artificial Intelligence(JSAI), Japanese Society for Artificial Intelligence(JSAI), 2000.

168. Ryota YAMADA, Takayuki ITO, Naoki FUKUTA and Toramatsu SHINTANI, "On Wrapper Generating Mechanism of Information Agents for Multiple Auction Bidding Support System BiddingBot," Proceedings of the 14th Annual Conference of Japanese Society for Artificial Intelligence(JSAI), Japanese Society for Artificial Intelligence(JSAI), 2000.

169. Hirokazu SOEJIMA, Naoki FUKUTA, Tadachika OZONO, Takayuki ITO, and Toramtsu SHINTANI, "FriendRing: A Inter-Mobile Agents Cooperative Method Based on The Relationship by Adopting Confidential Degrees," Proceedings of the 14th Annual Conference of Japanese Society for Artificial Intelligence(JSAI), Japanese Society for Artificial Intelligence(JSAI), 2000.

170. Syuichi KOJIMA, Takayuki ITO, Toramatsu SHINTANI, ``An Implementation of a Conference Coordination System based on the Weighted Distributed Truth Maintenance Mechanism,'' Proceedings (2) of the 60th Annual Conference of Information Processing Society of Japan (IPSJ), pp.159-160, 2000.

171. Ryota YAMADA, Takayuki ITO, Naoki FUKUTA, Toramatsu SHINTANI, ``On a Bidding Support Mechanism for BiddingBot, an Online Auction Support System,'' Proceedings (2) of the 60th Annual Conference of Information Processing Society of Japan (IPSJ), pp.21-22, 2000.

172. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI, ``On a consensus by an argumentation based negotiation among agents using illocutions,'' Proceedings (2) of the 60th Annual Conference of Information Processing Society of Japan (IPSJ), pp.15-16, 2000.

173. Naoki Fukuta, Takayuki ITO, and Toramatsu SHINTANI: ``Weblog: On Implementing A Logic-based Information Gathering Agent Description Language for WWW.''Proceedings of the 8th Workshop on Multi-Agents and Cooperative Computation (MACC99), 1999.

174. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI: ``A multiagent negotiation method based on individual negotiation strategy in "Nemawashi", Proceedings of the 13th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.421-424, 1999.

175. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI: ``Negotiation-Agents Based on the Nemawashi Mechanism and its Application,''Record of 1998 Tokai-Section Joint Conference of The Seven Institutes of Electrical and Related Engineers, p.287, 1998.

176. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI, ``On Agent Negotiation by using Nemawashi Mechanism Based on Utility Theory,''Proceedings of the 58th Annual Conference of Information Processing Society of Japan (IPSJ), pp.209-210, 1999.

177. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI: ``On Agent Negotiation Based on Nemawashi Mechanism and its Application,'' Proceedings of the 57th Annual Conference of Information Processing Society of Japan (IPSJ), pp.402-403, 1998.

178. Atsushi MIZUTANI, Takayuki ITO, Toramatsu SHINTANI: ``On a Conflict Avoiding Method for Group Scheduling using Persuasion among Mobile-agents,'' Proceedings of the 56th Annual Conference of Information Processing Society of Japan (IPSJ), pp.414-415, 1998.

179. Takuya MIZUGUCHI, Takayuki ITO, Toramatsu SHINTANI: ``Implementing a GDSS using WWW search Agent,'' Proceedings of the 56th Annual Conference of Information Processing Society of Japan (IPSJ), 1998.

180. Hiromitsu HATTORI, Takayuki ITO, Toramatsu SHINTANI: ``A multiagent negotiation method based on user's character and its application,'' Proceedings of the 12th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.564-565, 1998.

181. Norikatsu NAGINO, Takayuki ITO, Toramatsu SHINTANI: ``Implementing Journey Plan Support System Based on Coalition Game,'' Proceedings of the 10th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.147-150, 1996.

182. Yoshio KAWAKAMI, Takayuki ITO, Toramatsu SHINTANI: ``Making of Multiagent system for trial purposes based on Distributed TMS,''Proceedings of the 9th Annual Conference of Japanese Society for Artificial Intelligence (JSAI), Japanese Society for Artificail Intelligence (JSAI), pp.273-276, 1994.