Preprocessing of Metrics Measurement Based on Simplifying Program Structures. - Yui Sasaki; Tomoya Ishihara; Keisuke Hotta; Hideaki Hata; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (APSEC Workshops, 2012)

Inter-Project Functional Clone Detection Toward Building Libraries - An Empirical Study on 13, 000 Projects. - Tomoya Ishihara; Keisuke Hotta; Yoshiki Higo; Hiroshi Igaki; Shinji Kusumoto (WCRE, 2012)

Reusing reused code. - Tomoya Ishihara; Keisuke Hotta; Yoshiki Higo; Shinji Kusumoto (WCRE, 2013)

How Often Is Necessary Code Missing? - A Controlled Experiment -. - Tomoya Ishihara; Yoshiki Higo; Shinji Kusumoto (ICSR, 2015)

On the level of code suggestion for reuse. - Akio Ohtani; Yoshiki Higo; Tomoya Ishihara; Shinji Kusumoto (IWSC, 2015)