Journal
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
Volume 156, Issue 2, Pages 445-455Publisher
ELSEVIER
DOI: 10.1016/s0377-2217(03)00020-1
Keywords
multiple criteria analysis; compromise; VIKOR; TOPSIS; comparison
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The multiple criteria decision making (MCDM) methods VIKOR and TOPSIS are based on an aggregating function representing closeness to the ideal, which originated in the compromise programming method. In VIKOR linear normalization and in TOPSIS vector normalization is used to eliminate the units of criterion functions. The VIKOR method of compromise ranking determines a compromise solution, providing a maximum group utility for the majority and a minimum of an individual regret for the opponent. The TOPSIS method determines a solution with the shortest distance to the ideal solution and the greatest distance from the negative-ideal solution, but it does not consider the relative importance of these distances. A comparative analysis of these two methods is illustrated with a numerical example, showing their similarity and some differences. (C) 2003 Elsevier B.V. All rights reserved.
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