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Indirect elicitation of MCDA sorting models using valued assignment example

Mousseau, Vincent; Dias, Luis; Damart, Sébastien (2008), Indirect elicitation of MCDA sorting models using valued assignment example, 61èmes journées du groupe de travail européen sur l'aide multicritère à la décision, 2008-10, Chania, Grèce

Type
Communication / Conférence
Date
2008
Conference title
61èmes journées du groupe de travail européen sur l'aide multicritère à la décision
Conference date
2008-10
Conference city
Chania
Conference country
Grèce
Metadata
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Author(s)
Mousseau, Vincent
Dias, Luis
Damart, Sébastien
Abstract (EN)
This communication addresses multicriteria sorting decisions to be made by a group of decision makers, without assuming that complete and precise information exists about parameters related to their preferences, such as criteria weights. In many decision-aiding processes, the facilitator does not have the possibility to use multicriteria aggregation models with complete and precise information about preferential parameters such as weights, thresholds, etc. This difficulty is amplified in contexts with multiple decision makers because of the possible disagreement between them. We propose a methodology to help the group reach a common sorting model, in a context where numerical information raises disagreement and is hard to obtain. It is based on an aggregation / disaggregation approach for the ELECTRE TRI method, implemented on the Decision Support System (DSS) IRIS. Aided by IRIS, the group may iteratively reach an agreement on how to sort some exemplary actions, preserving the consistency of these sorting examples both at the individual level and at the collective level.
Subjects / Keywords
Sorting; Classification; Imprecise information; Multi-criteria decision making; DSS; Group decision making

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    Supporting groups in sorting decisions: methodology and use of a multi-criteria aggregation-disaggregation DSS 
    Dias, Luis; Mousseau, Vincent; Damart, Sébastien (2007) Article accepté pour publication ou publié
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    On sorting with aggregation/disaggregation approaches in contexts with multiple decision-makers 
    Damart, Sébastien; Dias, Luis; Mousseau, Vincent (2004) Communication / Conférence
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    Resolving inconsistencies among constraints on the parameters of an MCDA model 
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    On the Notion of Category Size in Multiple Criteria Sorting Models 
    Mousseau, Vincent; Dias, Luis; Figueira, José (2003) Document de travail / Working paper
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