Relation Formation by Medium Properties: A Multiagent Simulation. - Hitoshi Yamamoto; Isamu Okada; Makoto Jgarashi; Toshizumi Ohta (PACIS, 2001)

O-Cubed Modeling and Simulator for Computational Organization Design. - Kazunari Ishida; Toshizumi Ohta (Comput. Math. Organ. Theory, 2001)

On a Mathematical Comparison between Hierarchy and Network with a Classification of Coordination Structures. - Kazunari Ishida; Toshizumi Ohta (Comput. Math. Organ. Theory, 2001)

An approach for organizing knowledge according to terminology and representing it visually. - Kazunari Ishida; Toshizumi Ohta (IEEE Trans. Syst. Man Cybern. Part C, 2002)

Temptation and Contribution in C2C Transactions: Implications for Designing Reputation Management Systems. - Hitoshi Yamamoto; Kazunari Ishida; Toshizumi Ohta (Trusting Agents for Trusting Electronic Societies, 2004)

Modeling Reputation Management System on Online C2C Market. - Hitoshi Yamamoto; Kazunari Ishida; Toshizumi Ohta (Comput. Math. Organ. Theory, 2004)

Vulnerability of Cooperation on Scale-Free Networks. - Yoshifumi Ishida; Hitoshi Yamamoto; Isamu Okada; Toshizumi Ohta (WCSS, 2006)

Development of Recommender Systems Using User Preference Tendencies: An Algorithm for Diversifying Recommendation. - Yuki Ogawa; Hirohiko Suwa; Hitoshi Yamamoto; Isamu Okada; Toshizumi Ohta (II3E, 2008)

A Proposal of TIE Model for Communication in Software Development Process. - Masakazu Kanbe; Shuichiro Yamamoto; Toshizumi Ohta (JSAI-isAI Workshops, 2009)

Is Stock BBS Content Correlated with the Stock Market? A Japanese Case. - Ken Maruyama; Eiichi Umehara; Hirohiko Suwa; Toshizumi Ohta (SMC, 2009)

Using Game Theory to Investigate Risk Information Disclosure by Government Agencies and Satisfying the Public - The Role of the Guardian Agent. - Eiichi Umehara; Toshizumi Ohta (IEEE Trans. Syst. Man Cybern. Part A, 2009)

Designing an Emergency Medical Information System for the Early Stages of Disasters in Developing Countries: The Human Interface Advantage, Simplicity and Efficiency. - Agung Budi Sutiono; Andri Qiantori; Samudra Prasetio; Hariyo Santoso; Hirohiko Suwa; Toshizumi Ohta; Taufik Hasan; Tri Wahyu Murni (J. Medical Syst., 2010)

Game of Risk Communications - The Case of a Japanese Carmaker. - Eiichi Umehara; Toshizumi Ohta (IEEE Trans. Syst. Man Cybern. Part A, 2011)

Stock BBS Factor Model Using Principal Component Score. - Hirohiko Suwa; Eiichi Umehara; Toshizumi Ohta (WCSS, 2012)

An Emergency Medical Communications System by Low Altitude Platform at the Early Stages of a Natural Disaster in Indonesia. - Andri Qiantori; Agung Budi Sutiono; Hadi Hariyanto; Hirohiko Suwa; Toshizumi Ohta (J. Medical Syst., 2012)

Development Traumatic Brain Injury Computer User Interface for Disaster Area in Indonesia Supported by Emergency Broadband Access Network. - Agung Budi Sutiono; Hirohiko Suwa; Toshizumi Ohta; Muh Zafrullah Arifin; Yohei Kitamura; Kazunari Yoshida; Daduk Merdika; Andri Qiantori; Iskandar (J. Medical Syst., 2012)

Improving IT Security Through Security Measures: Using Our Game-Theory-Based Model of IT Security Implementation. - Masashi Sugiura; Hirohiko Suwa; Toshizumi Ohta (HCI (1), 2015)