An outranking method for multi-criteria decision making with duplex linguistic information

  • Authors:

  • Wu-E Yang;Jian-Qiang Wang;Xin-Fan Wang

  • Affiliations:

  • School of Business, Central South University, ChangSha 410083, China and School of Science, Central South University of Forestry and Technology, ChangSha 410004, China;School of Business, Central South University, ChangSha 410083, China;School of Business, Central South University, ChangSha 410083, China

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2012

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Abstract

An outranking method for duplex linguistic multi-criteria decisions is presented. We define a duplex linguistic set that is especially suitable for describing a decision-maker's preference, and assess each alternative with respect to criteria using duplex linguistic sets in a multi-criteria decision-making problem. An outranking relation between the alternatives is introduced. This novel outranking relation is based on systematic comparison of assessments of the alternatives for each criterion. The dominance of the duplex linguistic sets plays a crucial role in this comparison. Finally, an outranking method similar to the Electre method is proposed to rank the alternatives. An example is provided to illustrate the procedure for the proposed method.