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.
Amitai Etzioni, Oren Etzioni. Face-to-Face and Computer-Mediated Communities, A Comparative Analysis. Inf. Soc., 15(4):241-248, 1999. [doi]
Abstract is missing.