On a Consensus Measure in a Group Multi-Criteria Decision Making Problem

Fedrizzi, Michele (2010) On a Consensus Measure in a Group Multi-Criteria Decision Making Problem. DISA Working Paper; 9 . Trento : Università degli Studi di Trento.

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    A method for consensus measuring in a group decision problem is presented for the multiple criteria case. The decision process is supposed to be carried out according to Saaty's Analytic Hierarchy Process, and hence using pairwise comparison among the alternatives. Using a suitable distance between the experts' judgements, a scale transformation is proposed which allows a fuzzy interpretation of the problem and the definition of a consensus measure by means of fuzzy tools as linguistic quantifiers. Sufficient conditions on the expert's judgements are finally presented, which guarantee any a priori fixed consensus level to be reached.

    Item Type: Departmental Technical Report
    Department or Research center: Computer and management sciences
    Subjects: UNSPECIFIED
    Uncontrolled Keywords: group decision making, multiple criteria, degree of consensus, fuzzy preferences
    Report Number: DISA Working Paper 2010/9
    Repository staff approval on: 13 Jan 2011

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