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Rough approximation of a preference relation by dominance relations

✍ Scribed by Salvatore Greco; Benedetto Matarazzo; Roman Slowinski

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 186 KB
Volume: 117
Category: Article
ISSN: 0377-2217
DOI: 10.1016/s0377-2217(98)00127-1

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✦ Synopsis

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.

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