Mining email social networks. - Christian Bird; Alex Gourley; Premkumar T. Devanbu; Michael Gertz 001; Anand Swaminathan (MSR, 2006)

Mining email social networks in Postgres. - Christian Bird; Alex Gourley; Premkumar T. Devanbu; Michael Gertz 001; Anand Swaminathan (MSR, 2006)

Visualizing social interaction in open source software projects. - Michael Ogawa; Kwan-Liu Ma; Christian Bird; Premkumar T. Devanbu; Alex Gourley (APVIS, 2007)

Detecting Patch Submission and Acceptance in OSS Projects. - Christian Bird; Alex Gourley; Premkumar T. Devanbu (MSR, 2007)

Open Borders? Immigration in Open Source Projects. - Christian Bird; Alex Gourley; Premkumar T. Devanbu; Anand Swaminathan; Greta Hsu (MSR, 2007)