Hiroki Ishikura, Takashi Wakamatsu, Nozomi Hata and Katsuki Fujisawa, Optimization of film-type optical fiber wiring design using mixed-integer programming problem, Japan Journal of Industrial and Applied Mathematics, 2023

Ishikura Hiroki, Tateiwa Nariaki, Egi Shingo, Oe Issa, Hata Nozomi, Mitsutake Toru, Yamamura Keiichiro, Fujii Miyu, Fujisawa Katsuki, Scheduling system for automated storage and retrieval system with multiple machines using a time-expanded network, Japan Journal of Industrial and Applied Mathematics, Japan Journal of Industrial and Applied Mathematics, Springer, DOI : 10.1007/s13160-023-00619-1, 2023

Akira Tanaka, Nariaki Tateiwa, Nozomi Hata, Akihiro Yoshida, Takashi Wakamatsu, Shota Osafune, Katsuki Fujisawa, Offline map matching using time-expanded graph for low-frequency data, Transportation Research Part C: Emerging Technologies, Elsevier, Volume 130, 103265, September 2021. 

Akihiro Yoshida, Tatsuru Higurashi, Masaki Maruishi, Nariaki Tateiwa, Nozomi Hata, Akira Tanaka, Takashi Wakamatsu, Kenichi Nagamatsu, Akira Tajima, Katsuki Fujisawa, New Performance Index “Attractiveness Factor” for Evaluating Websites via Obtaining Transition of Users’ Interests, Data Science and Engineering, Springer, 2019, DOI : 10.1007/s41019-019-00112-1

Keiichiro Yamamura, Issa Oe, Nozomi Hata, Hiroki Ishikura, and Katsuki Fujisawa, Appropriate Balance of Diversification and Intensification Improves Performance and Efficiency of Adversarial Attacks, Transactions on Machine Learning Research (TMLR), 2024, ISSN: 2835-8856

Keiichiro Yamamura, Issa Oe, Hiroki Ishikura, and Katsuki Fujisawa, Enhancing output diversity improves Conjugate Gradient-based adversarial attacks, the 4th edition of the International Conference on Pattern Recognition and Artificial Intelligence (ICPRAI2024), 2024.

Issa Oe, Keiichiro Yamamura, Hiroki Ishikura, Ryo Hamahira, Katsuki Fujisawa, Superpixel Attack: Enhancing Black-Box Adversarial Attack with Image-Driven Division Areas, Australasian Joint Conference on Artificial Intelligence 2023, 28th Nov - 1st Dec, 2023

Miyu Fujii, David Taingngin, Keiichiro Yamamura, Nozomi Hata, Hiroki Kai, Ryuji Noda, Hiroki Ishikura, Tatsuru Higurashi, and Katsuki Fujisawa, Development and Evaluation of Embedding Methods for Graphs with Multi Attributes, Second Workshop on Knowledge Graphs and Big Data, In Conjunction with IEEE Big Data 2022, 17, Dec, 2022 

Keiichiro Yamamura, Haruki Sato, Nariaki Tateiwa, Nozomi Hata, Toru Mitsutake, Issa Oe, Hiroki Ishikura and Katsuki Fujisawa, Diversified Adversarial Attacks based on Conjugate Gradient Method, Thirty-ninth International Conference on Machine Learning (ICML 2022), 19-21 Jul, 2022.

Akira Tanaka, Chansu Han, Takeshi Takahashi, Katsuki Fujisawa,Internet-Wide Scanner Fingerprint Identifier Based on TCP/IP Header, The 4th IEEE International Symposium on Future Cyber Security Technologies (FCST 2021), In conjunction with The 8th International Conference on Internet of Things: Systems, Management and Security (IoTSMS 2021),Gandia, Spain. December 6-9, 2021.

Nariaki Tateiwa, Yuji Shinano, Satoshi Nakamura, Akihiro Yoshida, Shizuo Kaji, Masaya Yasuda, Katsuki Fujisawa, "Massive Parallelization for Finding Shortest Lattice Vectors Based on Ubiquity Generator Framework" , the International Conference for High Performance Computing, Networking, Storage, and AnalysisSC20), to be held from 15-20 November 2020 in Atlanta, GA, USA.

Nozomi Hata, Shizuo Kaji, Akihiro Yoshida, Katsuki Fujisawa, Nested Subspace Arrangement for Representation of Relational Data, Thirty-seventh International Conference on Machine Learning (ICML2020) to be held from 12-18 Jul, 2020.

Satoshi Nakamura, Nariaki Tateiwa, Koha Kinjo, Yasuhiko, Ikematsu, Masaya Yasuda and Katsuki Fujisawa, Solving the search-LWE problem by lattice reduction over projected bases, the 6th International Conference on Mathematics and Computing (ICMC 2020) to be held from March 18-20, 2020 at the Sikkim University, Gangtok, Sikkim, India, 2020.

Ren Huiqiao and Katsuki Fujisawa. “Circulars Arc Based Obstacle Avoiding Blending Trajectory plan”, the 5th International Conference on Control and Robotics Engineering (ICCRE 2020), in Osaka, Japan, 2020

Akihiro Yoshida, Yosuke Yatsushiro, Nozomi Hata, Tatsuru Higurashi, Nariaki Tateiwa, Takashi Wakamatsu, Akira Tanaka, Kenichi Nagamatsu, and Katsuki Fujisawa, Practical End-to-End Repositioning Algorithm for Managing Bike-Sharing System, The proceedings of the IEEE BigData2019, 2019(Acceptance rate 19.27%), in Los Angeles, CA, USA, 2019

Nozomi Hata, Takashi Nakayama, Akira Tanaka, Takashi Wakamatsu, Akihiro Yoshida, Nariaki Tateiwa, Yuri Nishikawa, Jun Ozawa, and Katsuki Fujisawa. Mobility Optimization on Cyber Physical System via Multiple Object Tracking and Mathematical Programming, the Fifth International Workshop on High Performance Big Graph Data Management, Analysis, and Mining (BigGraphs 2018), to be held in conjunction with the 2018 IEEE International Conference on Big Data (IEEE BigData 2018), in Seattle, WA, USA, 2018

Nariaki Tateiwa, Nozomi Hata, Akira Tanaka, Akihiro Yoshida, Takashi Wakamatsu,Takashi Nakayama, Katsuki Fujisawa. Hybrid Vehicle Control and Optimization with a New Mathematical Method, The 5th IFAC Conference on Engine and Powertrain Control, Simulation and Modeling, in Changchun, China, 2018

Akira Tanaka, Nozomi Hata, Nariaki Tateiwa, Katsuki Fujisawa. Practical Approach to Evacuation Planning Via Network Flow and Deep Learning, the Fourth International Workshop on High Performance Big Graph Data Management, Analysis, and Mining (BigGraphs 2017), to be held in conjunction with the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), in Boston, MA, USA, 2017

Satoshi Imamura, Keitaro Oka, Yuichiro Yasui, Yuichi Inadomi, Katsuki Fujisawa, Toshio Endo, Koji Ueno, Keiichiro Fukazawa, Nozomi Hata, Yuta Kakibuka, Koji Inoue, and Takatsugu Ono, Evaluating the Impacts of Code-Level Performance Tunings on Power Efficiency, The proceedings of the IEEE BigData2016, 2016(Acceptance rate 19.39%).

林 遼平, 澤井 薫, 立岩 斉明, 田中 智. 藤澤 克樹, 深層学習による都市環境の電波伝搬推定モデルに関する検討, 信学技報, vol. 119, no. 486, AP2019-201, pp. 23-28, 2020年3月.