Rough approximation of a preference relation by dominance relations

Salvatore Greco, Benedetto Matarazzo, Roman Slowinski

Research output: Contribution to journalArticlepeer-review

Abstract

An original methodology for using rough sets to preference modeling in multi-criteria decision problems is presented. This methodology operates on a pairwise comparison table (PCT), including pairs of actions described by graded preference relations on particular criteria and by a comprehensive preference relation. It builds up a rough approximation of a preference relation by graded dominance relations. Decision rules derived from the rough approximation of a preference relation can be used to obtain a recommendation in multi-criteria choice and ranking problems. The methodology is illustrated by an example of multi-criteria programming of water supply systems.
Original languageEnglish
Pages (from-to)63-83
Number of pages21
JournalEuropean Journal of Operational Research
Volume117
Issue number1
DOIs
Publication statusPublished - 16 Aug 1999

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