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1 Labex MS2T - Laboratoire d-Excellence -Maîtrise des Systèmes de Systèmes Technologiques- 2 DI Heudiasyc - Heuristique et Diagnostic des Systèmes Complexes Compiègne 3 Heudiasyc - Heuristique et Diagnostic des Systèmes Complexes Compiègne 4 Universidad de Oviedo

Abstract : Within the fuzzy literature, the issue of ranking fuzzy intervals has been addressed by many authors, who proposed various solutions to the problem. Most of these solutions intend to find a total order on a given collection of fuzzy intervals. However, if one sees fuzzy intervals as descriptions of uncertain quantities, an alternative to rank them is to use ranking rules issued from the imprecise probabilistic literature. In this paper , we investigate ranking rules based on different statistical features mean, median and orderings, and relate the obtained partial orders to some classical proposals. In particular, we propose a generic expression of stochastic orderings, and then use it to systematically investigate extensions of the most usual stochastic orderings to fuzzy intervals. We also show some relations between those extensions, and explore their relation with existing fuzzy ranking proposals.

Keywords : possibility deci-sion making ranking preferences partial orders fuzzy numbers





Autor: Sebastien Destercke - Inés Couso -

Fuente: https://hal.archives-ouvertes.fr/



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