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.
Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren. Well-definedness and semantic type-checking for the nested relational calculus. Theoretical Computer Science, 371(3):183-199, 2007. [doi]