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.
Philippe Rigaux, Michel Scholl, Luc Segoufin, Stéphane Grumbach. Building a constraint-based spatial database system: model, languages, and implementation. Inf. Syst., 28(6):563-595, 2003. [doi]
Abstract is missing.