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2009-07-06 - Colloque/Présentation - communication orale - Anglais - 1 page(s)

Pirlot Marc , Bouyssou D., "Analysing the correspondance between strict and non-strict concordance relations" in EURO XXIII, European operations research association, 78, Bonn, Allemagne

  • Codes CREF : Modèles mathématiques d'aide à la décision (DI1151), Recherche opérationnelle (DI1150)
  • Unités de recherche UMONS : Mathématique et Recherche opérationnelle (F151)

Abstract(s) :

(Anglais) Some outranking methods like ELECTRE yield preference relations that can be described as "at least as good relations" while others, like TACTIC, yield "better than" relations. We analyse outranking relations of both types in a conjoint measurement framework and we study the correspondence between them. We stress in particular that a strict outranking relation (with vetoes) cannot be described as the asymmetric part of some non-strict outranking relation and we elaborate on this.