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Journal Articles Bulletin pour les sous-ensembles flous et leurs applications Year : 1983

Data bases with fuzzy information and approximate reasoning in expert systems

Abstract

This short paper deals successively with two important fields of applications of fuzzy set and possibility theory: - data bases with fuzzy information and fuzzy queries - approximate/plausible reasoning in expert systems. The main ideas of a work in progress concerning a very general approach to the management of relational databases with fuzzy attribute values are presented. This approach makes an extensive use of the dual concepts of possibility and necessity measures. Besides the problem of the inference from uncertain/imprecise premises is discussed ; the unification of old and new results leads to the emergence of a coherent framework for dealing with this question ; the combination of uncertain or imprecise informations issued from different sources, which is another basic problem we have to deal with in production rule systems, is not addressed here. Proof are omitted for sake of brevity.
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Dates and versions

hal-04556639 , version 1 (23-04-2024)

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  • HAL Id : hal-04556639 , version 1

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Henri Prade. Data bases with fuzzy information and approximate reasoning in expert systems. Bulletin pour les sous-ensembles flous et leurs applications, 1983, 14, pp.115--126. ⟨hal-04556639⟩
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