Query Answering using Views in the Presence of Dependencies.
Year: 2008
Type: article
Abstract: In this paper we investigate equivalent and maximally con- tained rewritings of a query using views under a set of de- pendencies. We propose two new algorithms that nd equiv- alent and maximally contained rewritings in the presence of dependencies, and we also prove that a maximally contained rewriting computes all the certain answers under the open world assumption, both
Authors: Foto Afrati, Nikos Kiourtis
Language: English
Subfield: Information Systems
Field: Computer Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W85930010