Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ching Sing Chai, Myint Swe Khine. An Analysis of Interaction and Participation Patterns in Online Community. Educational Technology & Society, 9(1):250-261, 2006. [doi]