国際会議
[1] Yasutaka Kamei, Shinsuke Matsumoto, Hirotaka Maeshima, Yoji Onishi, Masao Ohira, and Ken-ichi Matsumoto, "Analysis of Coordination between Developers and Users in the Apache Community," In The Fourth International Conference on Open Source Systems (OSS2008), pages 81--92, September 2008.
[2] Shinsuke Matsumoto, Yasutaka Kamei, Masao Ohira, and Ken-ichi Matsumoto, "A Comparison Study on the Coordination between Developers and Users in Foss Communities," In Socio-Technical Congruence (STC 2008) , number CD-ROM-NO.8, pages 1--9, May 2008.
[3] Masao Ohira, Kumiyo Nakakoji, and Ken-ich Matsumoto, "D-Sns: a Knowledge Exchange Mechanism Using Social Network Density among Mega-Community Users," In Proceedings of Supporting the Social Side of Large Scale Software Development (CSCW2006 Workshop), pages 39--42, November 2006.