Determining OWA operator weights by mean absolute deviation minimization

  • Authors:
  • Michał Majdan;Włodzimierz Ogryczak

  • Affiliations:
  • Institute of Control and Computation Engineering, Warsaw University of Technology, Warsaw, Poland,National Institute of Telecommunications, Warsaw, Poland;Institute of Control and Computation Engineering, Warsaw University of Technology, Warsaw, Poland

  • Venue:
  • ICAISC'12 Proceedings of the 11th international conference on Artificial Intelligence and Soft Computing - Volume Part I
  • Year:
  • 2012

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Abstract

The ordered weighted averaging (OWA) operator uses the weights assigned to the ordered values rather than to the specific criteria. This allows one to model various aggregation preferences, preserving simultaneously the impartiality (neutrality) with respect to the individual attributes. The determination of ordered weighted averaging (OWA) operator weights is a crucial issue of applying the OWA operator for decision making. This paper considers determining monotonic weights of the OWA operator by minimization the mean absolute deviation inequality measure. This leads to a linear programming model which can also be solved analytically.