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.
Daniel Dreilinger, Adele E. Howe. Experiences with Selecting Search Engines Using Metasearch. ACM Trans. Inf. Syst., 15(3):195-222, 1997. [doi]
Abstract is missing.