Rough approximation of a preference relation by dominance relations

Rough approximation of a preference relation by dominance relations

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Article ID: iaor20002270
Country: Netherlands
Volume: 117
Issue: 1
Start Page Number: 63
End Page Number: 83
Publication Date: Aug 1999
Journal: European Journal of Operational Research
Authors: , ,
Keywords: sets
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, 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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