国際会議
[1] Masao Ohira, Hitoshi Masaki, and Ken-ichi Matsumoto, "Cicro: an Interactive Visual Interface for Crowd Communication Online," In Proceedings of the 14th International Conference on Human-Computer Interaction (HCI2011), volume 6778, pages 251--260, July 2011.
[2] Masao Ohira, Tetsuya Ohoka, Takeshi Kakimoto, Naoki Ohsugi, and Ken-ichi Matsumoto, "Supporting Knowledge Collaboration Using Social Networks in a Large-Scale Online Community of Software Development Projects," In APSEC2005 Workshop on Supporting Knowledge Collaboration in Software Development, pages 835--840, December 2005.