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An efficient verifiable process for ordinal pairwise comparisons

Author

Listed:
  • Alexander I. Mechitov
  • Helen M. Moshkovich

Abstract

Ordinal consistency forms the basis for rationality in pairwise comparisons and is expressed as transitivity of binary preferences. We propose a new approach to the ordinal consistency which combines two main parts. First, a process is proposed which requires a smaller number of comparisons from a decision maker to compare all objects. Second, a principle of double check for indirect comparisons is introduced for the verification purposes. In case of ordinal inconsistency a previously developed system ORCON may be used to resolve inconsistency in a dialogue with a decision maker. The efficiency of the process is evaluated through a computer modelling and data from published research.

Suggested Citation

  • Alexander I. Mechitov & Helen M. Moshkovich, 2020. "An efficient verifiable process for ordinal pairwise comparisons," International Journal of Management and Decision Making, Inderscience Enterprises Ltd, vol. 19(2), pages 133-156.
    • Handle: RePEc:ids:ijmdma:v:19:y:2020:i:2:p:133-156
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