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Applied Intelligence

, Volume 48, Issue 2, pp 343–356 | Cite as

Generalized and group-based generalized intuitionistic fuzzy soft sets with applications in decision-making

  • Harish Garg
  • Rishu Arora
Article

Abstract

Intuitionistic fuzzy soft set (IFSS) theory acts as a fundamental tool for handling the uncertainty in the data by adding a parameterizing factor during the process as compared to fuzzy and intuitionistic fuzzy set (IFS) theories. In this paper, an attempt has been made to this effect to describe the concept of generalized IFSS (GIFSS), as well as the group-based generalized intuitionistic fuzzy soft set (GGIFSS) in which the evaluation of the object is done by the group of experts rather than a single expert. Based on this information, a new weighted averaging and geometric aggregation operator has been proposed by taking the intuitionistic fuzzy parameter. Finally, a decision-making approach based on the proposed operator is being built to solve the problems under the intuitionistic fuzzy environment. An illustrative example of the selection of the optimal alternative has been given to show the developed method. Comparison analysis between the proposed and the existing operators have been performed in term of counter-intuitive cases for showing the superiority of the approach.

Keywords

Multiple criteria analysis Decision-making Intuitionistic fuzzy soft set Group-based generalized intuitionistic fuzzy soft set Aggregation operators 

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.School of MathematicsThapar UniversityPatialaIndia

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