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.
Dale Ganley, Cliff Lampe. The ties that bind: Social network principles in online communities. Decision Support Systems, 47(3):266-274, 2009. [doi]
Abstract is missing.