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Two new approaches based on ELECTRE II to solve the multiple criteria decision making problems with hesitant fuzzy linguistic term sets

Liao, Huchang ; Yang, Luanyi ; Xu, Zeshui

Applied soft computing, 2018-02, Vol.63, p.223-234 [Periódico revisado por pares]

Elsevier B.V

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  • Título:
    Two new approaches based on ELECTRE II to solve the multiple criteria decision making problems with hesitant fuzzy linguistic term sets
  • Autor: Liao, Huchang ; Yang, Luanyi ; Xu, Zeshui
  • Assuntos: Concordance sets ; Discordance sets ; Hesitant fuzzy linguistic term set ; Multi-criteria decision making ; Positive-negative ideal hesitant fuzzy linguistic elements based ELECTRE II method ; Score-deviation-based ELECTRE II method
  • É parte de: Applied soft computing, 2018-02, Vol.63, p.223-234
  • Descrição: •This paper extends the ELECTRE II method to solve the MCDM problems under the uncertain environment in terms of hesitant fuzzy linguistic term set (HFLTS).•This paper proposes two new approaches named the score-deviation based ELECTRE II method and the positive-negative ideal HFLE based ELECTRE II method to solve the MCDM problems with HFLTSs from two perspectives.•A sensitivity analysis is performed to test the robustness of the proposed methods. In real life, it is not always the case that experts are able to assess alternatives by precise values. With the incomplete and vague information obtained, the experts are inclined to provide their assessments by eliciting linguistic terms. Considering that the experts may hesitate between several linguistic terms during the evaluating process, a new tool called the hesitant fuzzy linguistic term set (HFLTS) was introduced to represent this situation. This tool allows the experts to use several possible linguistic terms rather than a single one to appraise the performances of alternatives. In this paper, we investigate the ELECTRE II method in the HFLTS environment and propose two new approaches named the score-deviation-based ELECTRE II method and the positive and negative ideal hesitant fuzzy linguistic elements based ELECTRE II method. To fully explore the underlying preference information and specify the outranking degrees of alternatives, we set up three levels of concordance and discordance sets, which are finally devoted to ranking the alternatives more convincingly. An illustrative example is operated to show the practicability of the proposed methods and then a sensitivity analysis is performed as well to test the robustness of the two methods.
  • Editor: Elsevier B.V
  • Idioma: Inglês
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