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.
Thomas Eiter, Leonid Libkin. Introduction to special ICDT section. ACM Trans. Database Syst., 31(3):769, 2006. [doi]
Abstract is missing.