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.
Jacques Bughin, John Hagel. The Operational Performance of Virtual Communities - Towards a Successful Business Model?. Electronic Markets, 10(4):237-243, 2000. [doi]
Abstract is missing.