The Possible and the Necessary for Multiple Criteria Group Decision

Authors:
Salvatore Greco;Vincent Mousseau;Roman Słowiński
Affiliations:
Faculty of Economics, University of Catania, Italy;Industrial Engineering Laboratory, Ecole Centrale Paris, France;Institute of Computing Science, Poznań University of Technology, Poznań and Systems Research Institute, Polish Academy of Sciences, Warsaw, Poland 00-441
Venue:
ADT '09 Proceedings of the 1st International Conference on Algorithmic Decision Theory
Year:
2009

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Abstract

We introduce the principle of robust ordinal regression to group decision. We consider the main multiple criteria decision methods to which robust ordinal regression has been applied, i.e., UTA GMS and GRIP methods, dealing with choice and ranking problems, UTADIS GMS , dealing with sorting (ordinal classification) problems, and ELECTRE GMS , being an outranking method applying robust ordinal regression to well known ELECTRE methods. In this way, we obtain corresponding methods for group decision: UTA GMS -GROUP, UTADIS GMS -GROUP and ELECTRE GMS -GROUP.