✦ LIBER ✦

On computing ELECTRE's credibility indices under partial information

✍ Scribed by Luis C. Dias; João N. Clímaco

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 193 KB
Volume: 8
Category: Article
ISSN: 1057-9214
DOI: 10.1002/(sici)1099-1360(199903)8:2<74::aid-mcda234>3.0.co;2-7

No coin nor oath required. For personal study only.

✦ Synopsis

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

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