The relationship between two well established formalisms for temporal reasoning is first investigated, namely between Allen's interval algebra (or Allen's temporal logic,...
: ANSI SQL-92 [MS, ANSI] defines Isolation Levels in terms of phenomena: Dirty Reads, Non-Repeatable Reads, and Phantoms. This paper shows that these phenomena and the ANSI SQL def...
Hal Berenson, Philip A. Bernstein, Jim Gray, Jim M...
A survey is given of results about coherence for categories with finite products and coproducts. For these results, which were published previously by the authors in several places...
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
As the Web becomes a platform for implementing complex B2C and B2B applications, there is a need to extend Web conceptual modeling to process-centric applications. In this context,...
Marco Brambilla, Alin Deutsch, Liying Sui, Victor ...