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.
David Maier, David Rozenshtein, Sharon C. Salveter, Jacob Stein, David Scott Warren. PIQUE: a relational query language without relations. Inf. Syst., 12(3):317-335, 1987.
Abstract is missing.