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Inferring Electre's veto-related parameters from outranking examples

Abstract : When considering Electre's valued outranking relations, aggregation/disaggregation methodologies have difficulties in taking discordance (veto) into account. We present a partial inference procedure to compute the value of the veto-related parameters that best restore a set of outranking statements, provided by a decision maker ( i.e., examples that an Electre model should restore). This paper complements previous work on the inference of other preference-related parameters (weights, cutting level, category limits, ...), advancing toward an integrated approach to inference problems in Electre III and Tri methods. We propose mathematical programs to infer veto-related parameters, first considering only one criterion, then all criteria simultaneously, using the original version of Electre outranking relation and two variants. Depending on the case, these inference procedures lead to linear programming, 0-1 linear programming, or separable programming problems. The partial inference programs are considered as problems to be solved several times in an interactive process, where decision makers continuously revise the information they provide as they learn from the results.
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https://hal.archives-ouvertes.fr/hal-00004130
Contributor : Marie-Hélène Hugonnard-Roche Connect in order to contact the contributor
Submitted on : Thursday, February 3, 2005 - 4:23:42 PM
Last modification on : Tuesday, January 25, 2022 - 8:30:02 AM
Long-term archiving on: : Friday, September 17, 2010 - 6:32:03 PM

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  • HAL Id : hal-00004130, version 2

Citation

Luis Dias, Vincent Mousseau. Inferring Electre's veto-related parameters from outranking examples. 2005. ⟨hal-00004130v2⟩

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