Conditional independence in possibility theory

Authors:
Pascale Fonck
Affiliations:
Université de Liège, Institut de Mathématique, Liège, Belgium
Venue:
UAI'94 Proceedings of the Tenth international conference on Uncertainty in artificial intelligence
Year:
1994

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Abstract

Possibilistic conditional independence is investigated: we propose a definition of this notion similar to the one used in probability theory. The links between independence and no-interaetivity are investigated, and properties of these relations are given. The influence of the conjunction used to define a conditional measure of possibility is also highlighted : we examine three types of conjunctions : Lukasiewiez - like T-norms, product-like T-norms and the minimum operator.