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A progressive search for a group ranking with robust conclusions on prudent orders

par Lamboray, Claude
Référence Group decision and negotiation, 19, 1, page (39-56)
Publication Publié, 2010-01

Article révisé par les pairs

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Résumé :

We consider the problem where rankings, provided for instance by a group of evaluators, have to be combined into a common group ranking. In such a context, Arrow and Raynaud suggested that the compromise ranking should be a prudent order. In general, a prudent order is not unique. That is why, we propose to manage this possible multiplicity of compromise solutions by computing robust conclusions. This allows for a progressive refinement of the decision model and supports the group to eventually select one group ranking. The approach is illustrated on a problem where a group of junior researchers has to agree on a ranking of research domains. © 2007 Springer Science+Business Media B.V.