2006 | OriginalPaper | Buchkapitel
About Inclusion-Based Generalized Yes/No Queries in a Possibilistic Database Context
verfasst von : Patrick Bosc, Nadia Lietard, Olivier Pivert
Erschienen in: Foundations of Intelligent Systems
Verlag: Springer Berlin Heidelberg
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This paper deals with the querying of possibilistic relational databases, by means of queries called generalized yes/no queries, whose general form is: “to what extent is it possible that the answer to Q satisfies property P”. Here, property P concerns the inclusion in the result, of a set of tuples specified by the user. A processing technique for such queries is proposed, which avoids computing the worlds attached to the possibilistic database.