Dominance-based ranking functions for interval-valued intuitionistic fuzzy sets

Liang-Hsuan Chen, Chien Cheng Tu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The ranking of interval-valued intuitionistic fuzzy sets (IvIFSs) is difficult since they include the interval values of membership and nonmembership. This paper proposes ranking functions for IvIFSs based on the dominance concept. The proposed ranking functions consider the degree to which an IvIFS dominates and is not dominated by other IvIFSs. Based on the bivariate framework and the dominance concept, the functions incorporate not only the boundary values of membership and nonmembership, but also the relative relations among IvIFSs in comparisons. The dominance-based ranking functions include bipolar evaluations with a parameter that allows the decision-maker to reflect his actual attitude in allocating the various kinds of dominance. The relationship for two IvIFSs that satisfy the dual couple is defined based on four proposed ranking functions. Importantly, the proposed ranking functions can achieve a full ranking for all IvIFSs. Two examples are used to demonstrate the applicability and distinctiveness of the proposed ranking functions.

Original languageEnglish
Article number6617666
Pages (from-to)1269-1282
Number of pages14
JournalIEEE Transactions on Cybernetics
Volume44
Issue number8
DOIs
Publication statusPublished - 2014

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Fuzzy sets

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Software
  • Information Systems
  • Human-Computer Interaction
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

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Dominance-based ranking functions for interval-valued intuitionistic fuzzy sets. / Chen, Liang-Hsuan; Tu, Chien Cheng.

In: IEEE Transactions on Cybernetics, Vol. 44, No. 8, 6617666, 2014, p. 1269-1282.

Research output: Contribution to journalArticle

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