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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Intuitionistic Fuzzy Information Aggregation
verfasst von : Zeshui Xu, Xiaoqiang Cai
Erschienen in: Intuitionistic Fuzzy Information Aggregation
Verlag: Springer Berlin Heidelberg
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The fuzzy set theory has been extensively applied in various fields of modern society (Chen et al., 2005) since its introduction by Zadeh (1965) in 1960s. Central to the fuzzy set is the extension from the characteristic function taking the value of 0 or 1 to the membership function which can take any value from the closed interval [0,1]. However, the membership function is only a single-valued function, which cannot be used to express the support and objection evidences simultaneously in many practical situations.