Three-way decisions in fuzzy incomplete information systems

  • Xiaoping YangEmail author
  • Tongjun Li
  • Anhui Tan
Original Article


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.


Intuitionistic fuzzy sets Incomplete information systems Three-way decisions Fuzzy rough sets 



This work is supported by grants from National Natural Science Foundation of China (Nos. 61773349 and 61602415).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Mathematics, Physics and Information ScienceZhejiang Ocean UniversityZhoushanPeople’s Republic of China
  2. 2.Key Laboratory of Oceanographic Big Data Mining and Application of Zhejiang ProvinceZhoushanPeople’s Republic of China

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