29.10.2019 | Original Article | Ausgabe 3/2020

Three-way decisions in fuzzy incomplete information systems
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Abstract
The intuitionistic fuzzy set is introduced to fuzzy incomplete information systems, the membership and non-membership degrees that an object belongs to a concept are constructed based on the similarity relation. By combining the fuzzy rough set and intuitionistic fuzzy set, we make three-way decisions. Various situations in fuzzy incomplete information systems are discussed.