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.
Damon Horowitz, Sepandar D. Kamvar. Searching the village: models and methods for social search. Communications of the ACM, 55(4):111-118, 2012. [doi]
Abstract is missing.