Preference structures and co-comparability graphs

Preference structures and co-comparability graphs

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Article ID: iaor1997648
Country: United Kingdom
Volume: 5
Issue: 2
Start Page Number: 81
End Page Number: 98
Publication Date: Jun 1996
Journal: Journal of Multi-Criteria Decision Analysis
Authors: , ,
Keywords: measurement
Abstract:

Order structures such as linear orders, weak orders, semiorders and interval orders are often considered as models of a decision maker’s preferences. This paper introduces and studies new order structures characterized by their symmetric part belonging to certain classes of co-comparability graphs. It outlines possible interpretations and suggest special representations of these structures and points out their potential use for approximating relations obtained through a multicriteria aggregation procedure. It provides various characterizations of the new structures (as well as of older ones) in terms of minimal forbidden configurations and by algebraic conditions.

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