Analysis of review's effectiveness based on software metrics. - Yasunari Takagi; Toshifumi Tanaka; Naoki Niihara; Keishi Sakamoto; Shinji Kusumoto; Tohru Kikuno (ISSRE, 1995)

Analysis of Software Process Improvement Experience Using the Project Visibility Index. - Keishi Sakamoto; Naoki Niihara; Toshifumi Tanaka; Kumiyo Nakakoji; Kouichi Kishida (APSEC, 1996)

Toward Computational Support for Software Process Improvement Activities. - Keishi Sakamoto; Kumiyo Nakakoji; Yasunari Takagi; Naoki Niihara (ICSE, 1998)