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Many fields deal with uncertain data. Classical mathematical tools are unable to solve uncertain data in many situations. There are several theories, viz., the theory of probability, fuzzy set, and intuitionistic fuzzy set, for dealing with uncertainties, but they have their own difficulties. The reason for the difficulties is the inadequacy of the parameterization tools of the theories. The parameterization tools of soft set theory enhance the flexibility of its application. This paper introduces the concept of intuitionistic fuzzy soft expert graph, union, and the intersection of intuitionistic fuzzy soft expert graph. Finally, the new concept is the intuitionistic fuzzy soft expert graph-based multi-criteria decision-making method.
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