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.
Marcos André Gonçalves, Bárbara Lagoeiro Moreira, Edward A. Fox, Layne T. Watson. What is a good digital library? - A quality model for digital libraries. Inf. Process. Manage., 43(5):1416-1437, 2007. [doi]
Abstract is missing.