A new approach to multi-criteria sorting based on fuzzy outranking relations: The THESEUS method

Eduardo Fernandez and Jorge Navarro

European Journal of Operational Research, 2011, vol. 213, issue 2, 405-413

Abstract: In this paper, we propose the THESEUS method, a new approach based on fuzzy outranking relations to multi-criteria sorting problems. Compared with other outranking-based methods, THESEUS is inspired by another view of multi-criteria classification problems. It utilizes a new way of evaluating the assignment of an object to an element of the set of ordered categories that were previously defined. This way is based on comparing every possible assignment with the information from various preference relations that are derived from a fuzzy outranking relation defined on the universe of objects. The appropriate assignment is determined by solving a simple selection problem. The capacity of a reference set for making appropriate assignments is related to a good characterization of the categories. A single reference action characterizing a category may be insufficient to achieve well-determined assignments. In this paper, the reference set capacity to perform appropriate assignments is characterized by some new concepts. This capacity may be increased when more objects are added to the reference set. THESEUS is a method for handling the preference information contained in such larger reference sets.

Keywords: Multiple; criteria; analysis; Sorting; Outranking; methods (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (25)

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