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dc.contributor.authorRoy, Bernard
dc.subjectDecision aidingen
dc.titleTo Better Respond to the Robustness Concern in Decision Aiding: Four Proposals based on a Twofold Observationen
dc.typeChapitre d'ouvrage
dc.description.abstractenAfter reviewing what the adjective “robust” means in decision aiding (DA) and explaining why it is important to be concerned about robustness in DA, I present a twofold observation (section 2) which leads me to make four proposals in order to better respond to robustness concern in decision aiding. With the first two proposal (sections 3 and 4), I show that, in many cases, the vague approximations and the zones of ignorance against which robustness helps to prevent, must be considered in terms of substituting the concept of version for the usual concept of scenario and focusing on the diverse processing procedures that must be used to study the decision aiding problem as it was formulated. Next, I show (section 5) that the traditional responses formulated in terms of “robust solutions” limit the meaning of this con- cept (section 5). I briefly describe a certain number of avenues for research that could be ex- plored further, not only in order to conceive the solutions that could be qualified as robust in another way, but also to better interact with decision makers to make them aware that the ad- jective “robust” can be subjective. Finally, the fourth proposal is related to forms of responses which lead to state “robust conclusions”, which do not necessarily refer to solutions charac- terized as robust. After defining what I mean by robust conclusions and giving some exam- ples, I mention the rare approaches that have been proposed for obtaining such conclusions.
dc.relation.ispartoftitleHandbook of Multicriteria Analysisen
dc.relation.ispartofeditorZopounidis, Constantin
dc.relation.ispartofeditorPardalos, Panos
dc.subject.ddclabelRecherche opérationnelleen

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