Social Computing and Weighting to Identify Member Roles in Online Communities. - Robert D. Nolker; Lina Zhou (Web Intelligence, 2005)

Mapping Discussion Roles: From the Classroom to the Online Discussion Board. - Robert D. Nolker; Lina Zhou (AMCIS, 2006)

An Exploratory Study on the Evolution of OSS Developer Communities. - Kawin Ngamkajornwiwat; Dongsong Zhang; Akif Günes Koru; Lina Zhou; Robert D. Nolker (HICSS, 2008)