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.
Matheus P. Viana, Diego R. Amancio, Luciano da F. Costa. On time-varying collaboration networks. J. Informetrics, 7(2):371-378, 2013. [doi]
Abstract is missing.