A Study of the Characteristics of Developers' Activities in GitHub. - Saya Onoue; Hideaki Hata; Ken-ichi Matsumoto (APSEC (2), 2013)

Software population pyramids: the current and the future of OSS development communities. - Saya Onoue; Hideaki Hata; Ken-ichi Matsumoto (ESEM, 2014)

Characteristics of Sustainable OSS Projects: A Theoretical and Empirical Study. - Hideaki Hata; Taiki Todo; Saya Onoue; Ken-ichi Matsumoto (CHASE@ICSE, 2015)

Investigating and Projecting Population Structures in Open Source Software Projects: A Case Study of Projects in GitHub. - Saya Onoue; Hideaki Hata; Akito Monden; Ken-ichi Matsumoto (IEICE Trans. Inf. Syst., 2016)

Extracting Insights from the Topology of the JavaScript Package Ecosystem. - Nuttapon Lertwittayatrai; Raula Gaikovina Kula; Saya Onoue; Hideaki Hata; Arnon Rungsawang; Pattara Leelaprute; Kenichi Matsumoto (APSEC, 2017)

Analysis of Donations in the Eclipse Project. - Keitaro Nakasai; Hideaki Hata; Saya Onoue; Kenichi Matsumoto (IWESEP, 2017)

The Health and Wealth of OSS Projects: Evidence from Community Activities and Product Evolution. - Saya Onoue; Raula Gaikovina Kula; Hideaki Hata; Kenichi Matsumoto (CoRR, 2017)

Human Capital in Software Engineering: A Systematic Mapping of Reconceptualized Human Aspect Studies. - Saya Onoue; Hideaki Hata; Raula Gaikovina Kula; Kenichi Matsumoto (CoRR, 2018)