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.
Robert A. Morris, Lina Khatib. An interval-based temporal relational calculus for events with gaps. J. Exp. Theor. Artif. Intell., 3(2):87-107, 1991. [doi]