Journal
COMPUTERS & OPERATIONS RESEARCH
Volume 32, Issue 7, Pages 1881-1896Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cor.2003.12.004
Keywords
aggregation; DS/AHP; group decision-making; non-equivalent importance
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Group decision-making (GDM) is an active area of research within multi-criteri and decision-making (MCDM). This paper develops the nascent DS/AHP method of MCDM as an effective tool in GDM. Attention here is given to the aggregation of evidence from individual members of a decision-making group who are considered ion-equivalent in their importance within the group. A discount rate value is defined for each member of the D,roup depending on their perceived individual levels of importance. This discount rate attenuates the evidence. from an individual by re-assigning more value to their concomitant level of ignorance. The adjusted evidence from each group member is then combined to derive the group's collective decision. A small real world GDM problem concerning the choice of university course textbooks is utilised throughout the analysis presented. (C) 2003 Elsevier Ltd. All rights reserved.
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