Révision des croyances dans la clôture propositionnelle d'une algèbre qualitative

Abstract : Belief revision is an operation that aims at modifying old beliefs so that they become consistent with new ones. The issue of belief revision has been studied in various formalisms, in particular, in qualitative algebras (QAs) in which the result is a disjunction of belief bases that is not necessarily representable in a QA. This motivates the study of belief revision in formalisms extending QAs, namely, their propositional closures: in such a closure, the result of belief revision belongs to the formalism. Moreover, this makes it possible to define a contraction operator thanks to the Harper identity. Belief revision in the propositional closure of QAs is studied, an algorithm for a family of revision operators is designed, and an open-source implementation is made freely available on the web.
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Valmi Dufour-Lussier, Alice Hermann, Florence Le Ber, Jean Lieber. Révision des croyances dans la clôture propositionnelle d'une algèbre qualitative. JIAF-2014 -- Huitimes Journes de l'Intelligence Artificielle Fondamentale, Jun 2014, Angers, France. pp.10. ⟨hal-01093977⟩

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