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Title: On computing ELECTRE's credibility indices under partial information
Authors: Dias, Luís C. 
Clímaco, João N. 
Issue Date: 1999
Citation: Journal of Multi-Criteria Decision Analysis. 8:2 (1999) 74-92
Abstract: The ELECTRE family of decision aid methods is a well-known approach to help decision makers (DMs) advance in a decision process. Among the most recent methods in the family, ELECTRE IS, III, and TRI compute fuzzy indices for the credibility of a given action outranking some other. We consider the case when the DMs are unsure which values each parameter should take, which may result from insufficient, imprecise or contradictory information, as well as from different preferences among a group of DMs. In the framework of a robustness analysis approach, where DMs provide only partial information on the parameter values (through constraints on acceptable combinations), we study how to find whether an outranking among two actions in an ELECTRE method is robust. In this context, we study the resulting nonlinear problems of optimizing a credibility index (under the type of constraints that we consider to appear in practice) and present some examples. Copyright © 1999 John Wiley & Sons, Ltd.
DOI: 10.1002/(SICI)1099-1360(199903)8:2<74::AID-MCDA234>3.0.CO;2-7
Rights: openAccess
Appears in Collections:FEUC- Artigos em Revistas Internacionais

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