On a fuzzy bipolar relational algebra

This paper presents an extension of relational algebra suitable for the handling of bipolar concepts. The type of queries considered involves two parts: a first one which expresses a (possibly flexible) constraint, and a second one that corresponds to a (possibly flexible) wish. The framework consid...

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Bibliographic Details
Published in:Information sciences 2013-01, Vol.219, p.1-16
Main Authors: Bosc, Patrick, Pivert, Olivier
Format: Article
Language:English
Subjects:
Bipolarity
Computer Science
Database fuzzy querying
Relational algebra
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Summary:This paper presents an extension of relational algebra suitable for the handling of bipolar concepts. The type of queries considered involves two parts: a first one which expresses a (possibly flexible) constraint, and a second one that corresponds to a (possibly flexible) wish. The framework considered is that of bipolar fuzzy relations where each tuple is associated with a pair of satisfaction degrees.
ISSN:0020-0255
1872-6291
DOI:10.1016/j.ins.2012.07.018