Tsukasa Hirashima, Isao Imai, Tomoya Horiguchi, Takahito Toumoto: Error-Based Simulation to Promote Awareness of Errors in Elementary Mechanics and Its Evaluation, AIED2009, pp.409-416.(70 full paper acceptance in 231 submissions; acceptance rate 30%)
Tomoya Horiguchi, Tsukasa Hirashima: Intelligent Authoring of 'Graph of Microworlds' for Adaptive Learning with Microworlds based on Compositional Modeling, AIED2009 pp.207-214.(70 full paper acceptance in 231 submissions; acceptance rate 30%)
Hirashima, T., Yokoyama, T., Okamoto, M., & Takeuchi, A.: An Experimental Use of Leanring Environment for Problem-Posing as Sentence-Integration in Arithmetical Word Problems, Proc. of ITS2008, pp.687-689(2008.6).
Tomoya Horiguchi and Tsukasa Hirashima：Domain-Independent Error-Based Simulation for Error-Awareness and Its Preliminary Evaluation, PRICAI2008, pp.951-958(2008.12)
Tsukasa Hirashima, Takuro Yokoyama, Masahiko Okamoto, Akira Takeuchi： Long-term Use of Learning Environment for Problem-Posing in Arithmetical Word Problems, Proc. of ICCE2008, pp.817-824(2008.10). (57 full paper acceptance in 270 submissions; acceptance rate 21%).
Takanobu UMETSU, Tsukasa HIRASHIMA, Akira TAKEUCHI：A Method to Embed Problem Solving Exercises into a Playing Card Game, Proc. of ICCE2008, pp.789-790(2008).
Atsuo Yoshitaka, Akihiro Kawano, Tsukasa Hirashima: Speaker Tracking for Automated Lecture Archiving using Tagged Microphone," Proc. Tenth IEEE International Symposiun on Multimedia, pp. 45-52(2008).
Horiguchi, T. & Hirashima, T: Intelligent Support for Authoring ’Graph of Microworlds’ based on Compositional Modeling Technique., Proc. of QR'08, pp.49-57 (2008.6)
A. Yoshitaka，K. Wakiyama and T. Hirashima， "Recommendation of Visual Information by Gaze-Based Implicit Preference Acquisition"， Proc.of 13th International Multimedia Modeling Conference (LNCS4351), pp.126-137（2007）.
Tsukasa Hirashima, Takuro Yokoyama, Masahiko Okamoto, Akira Takeuchi, "Learning by Problem-Posing as Sentence-Integration and Experimental Use", Proc. of AIED2007, pp254-261(2007).
Tsukasa Hirashima, "Differential Indexing as a Metadata Model of Exercise Problems", Proc. of Supplemental Proceedings of ICCE2007, pp.123-127(2007).
Tomoya Horiguchi,Isao Imai,Takahito Toumoto,Tsukasa Hirashima, "A Classroom Practice of Error-based Simulation as Counterexample to Students' Misunderstanding of Mechanics", ICCE2007, pp.519-525(2007).
Hidenobu Kunichika，Tsukasa Hirashima，and Akira Takeuchi， "Visualizing Errors and its Evaluation"， Proc. of ITS2006，pp.744-746(2006）.
Tomoya Horiguchi and Tsukasa Hirashima， "Robust Simulator：A Method of Simulating Learners' Erroneous Equations for Making Error-based Simulation", Proc. of ITS2006，pp.655-665(2006).
Takahito Toumoto，Tomoya Horiguchi，Tsukasa Hirashima，and Akira Takeuchi， "Interactive Environment to Support Learning by Designing Physics Experiments"， Proc.of E-Learn2006，pp. 3067-3075（2006）.
Hidenobu Kunichika，Tsukasa Hirashima，Akira Takeuchi， "Visualizing Errors for Self-correcting Discrepancy between Thinking and Writing", Proc. of ICCE2006，pp.483-490(2006).
Tsukasa Hirashima，Takuro Yokoyama，Masahiko Okamoto，Akira Takeuchi， "A Computer-Based Environment for Learning by Problem-Posing as Sentence-Integration"， Proc. of ICCE2006，pp.127-130(2006).
Tomoya Horiguchi and Tsukasa Hirashima , "Graph of Microworld : A Framework for Assisting Progressive Knowledge Acquisition in Simulation-based Learning Environments" , Proc.of AIED2005( Artificial Intelligence in Education -Supporting Learning through Intelligent and Socially Informed Technology-) , IOS Press , pp.670-677(2005.7)(accepted as a full paper , acceptance rate : 31%. 89/289).-->PDF-File
Hidenobu Kunichika , Minoru Urushima , and Tsukasa Hirashima , Akira Takeuchi , "Realizing Adaptive Questions and Answers for ICALL Systems" , Proc.of AIED2005(Artificial Intelligence in Education -Supporting Learning through Intelligent and Socially Informed Technology-) , IOS Press , pp.854-856(2005.7)(accepted as a poster , acceptance rate : 57%(75 posters and 89 full of 289 submisstions)).-->PDF-File
Tsukasa Hirashima and Tomoya Horiguchi , "Error Visualization to Scaffold Metacognitive Activity" , The 2nd Joint Workshop of Cognition and Learning through Media-Communication for Advanced e-Learning , pp.1-6(2005.9)(Invited).-->PDF-File
Yoshihiro Fukunaga , Tsukasa Hirashima , and Akira Takeuchi , "Implementation and Effectiveness of a Feedback Feature in Underlining to Promote Reading Comprehension of e-Learning Instructional Materials" , Proc.of ICCE2005(Towards sustainable and scalable educational innovations informed by the learning sciences) , IOS Press , pp.99-106(2005.11)(accepted as a full paper , acceptance rate : 28%. 75/271).-->PDF-File
Tomoya Horiguchi , Tsukasa Hirashima , and Masahiko Okamoto , "Conceptual Changes in Learning Mechanics by Error-based Simulation" , Proc.of ICCE2005(Towards sustainable and scalable educational innovations informed by the learning sciences) , IOS Press , pp.138-145(2005.11)(accepted as a full paper , acceptance rate : 28%. 75/271).-->PDF-File
Takanobu Umetsu and Tsukasa Hirashima , "Design Method for Learning Games Based on Key Structure and Behavior" , Proc.of ICCE2005(Towards sustainable and scalable educational innovations informed by the learning sciences) , IOS Press , pp.516-523(2005.11)(accepted as a full paper , acceptance rate : 28%. 75/271).-->PDF-File
Yoshihiro Fukunaga , Akira Takeuchi , Tsukasa Hirashima , and Hidenobu Kunichika , "A Scaffold Process to Facilitate Comprehension in Web-Based Training" , Proc.of 15th Information Resources Management Association International Conference , pp.1187-1188(2004.5).
Tomoya Horiguchi andTsukasa Hirashima , "A simulation-based learning environment assisting scientific activities based on the classification of 'surprisingness' " , Proc.of ED-MEDIA2004 , pp.497-504(2004.6). -->PDF-File
(C3)Hidenobu Kunichika , Minoru Honda , Tsukasa Hirashima , and Akira TAKEUCHI , "A Method of Judgment by Comparing Answer Sentences with Expected Correct Answers for Questions and Answers in CALL" , Proc.of ED-MEDIA2004 , pp.1413-1418(2004.6). -->PDF-File
Atsuo Yoshitaka and Kentaro Ueda , "Retrieving the Movement of Multiple Objects based on Spatiotemporal Abstraction" , Proc.IEEE 6th Workshop on Multimedia Signal Processing , pp.442-445(2004.9-10).
Tsukasa Hirashima , "A Metadata Editor of Exercise Problems for Intelligent e-Learning" , Workshop Notes of Applications of Semantic Web Technologies for E-Learning at ISWC2004 , pp.99-101(2004.11).
Tomoya Horiguchi and Tsukasa Hirashima , "Error-visualization in multi-agent social simulations for developing childrens' statistical skills" , ICCE2004 , pp.105-111(2004.11-12).-->PDF-File
Akira Nakano , Tsukasa Hirashima , and Akira Takeuchi , "A Support Environment for Learning by Describing Problem Map in Arithmetical WordProblems" , ICCE2004 , pp.213-225(2004.11-12).-->PDF-File
Takanobu Umetsu and Tsukasa Hirashima , "Partial exchange method for designing learning games and its application" , ICCE2004 , pp.257-264(2004.11-12). -->PDF-File
Hidenobu Kunitika , Toru Motogami , Tsukasa Hirashima , and Akira Takeuchi , "Example retrieval of learning functions for supporting authoring of a WBT system" , ICCE2004 , pp.1627-1633(2004.11-12).-->PDF-File