IRIS: a DSS for multiple criteria sorting problems

Luís Cândido Dias · Vincent Mousseau

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Multi-Criteria Decision Making Decision Support System Applications Rough Sets and Fuzzy Logic

Abstract

Abstract This paper presents Interactive Robustness analysis and parameters' Inference for multicriteria Sorting problems (IRIS), a Decision Support System (DSS) designed to sort actions (projects, candidates, alternatives, clients, etc.) described by their performances on multiple criteria into an ordered set of categories defined a priori. It is based on the ELECTRE TRI sorting method, but does not require the decision maker (DM) to indicate precise values for all of the method's parameters. More realistically, the software expects the DM to indicate some constraints that these parameters should respect, including sorting examples that the program should reproduce. If the constraints indicated by the DM do not contradict each other (i.e. form a consistent system), then IRIS infers a combination of parameter values that reproduces all the sorting examples, indicating also the range of possible assignments of actions to categories that would be possible without violating any of the stated constraints. If the constraints are contradictory (i.e. form an inconsistent system), then IRIS suggests a combination of parameter values that minimizes an error function and identifies alternative ways to restore the system's consistency by removing some constraints. Copyright © 2005 John Wiley & Sons, Ltd.

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References

1991The outranking approach and the foundations of electre methods 1996Multicriteria Methodology for Decision Aiding 1997Multicriteria Methodology for Decision Aiding 1993Aide multicritère à la décision : méthodes et cas 2002Multicriteria classification and sorting methods: A literature review 1998Inferring an ELECTRE TRI Model from Assignment Examples 2000A user-oriented implementation of the ELECTRE-TRI method integrating preference elicitation support 2002An aggregation/disaggregation approach to obtain robust conclusions with ELECTRE TRI

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