A survey on granular computing and its uncertainty measure from the perspective of rough set theory

  • Yunlong Cheng
  • Fan Zhao
  • Qinghua ZhangEmail author
  • Guoyin Wang
Original Paper


Granular computing is an umbrella term to cover a series of theories, methodologies, techniques, and tools that make use of information granules in complex problem solving. Rough sets, as one of the main concrete models of granular computing, has attracted considerable attention and has been successfully applied to numerous kinds of fields. To show the basic ideas and principles of granular computing from the perspective of rough sets, the main models, uncertainty measures and applications of rough sets are surveyed in the paper.


Granular computing Rough sets Granules Uncertainty measure Approximation sets 



This work was supported by the National Natural Science Foundation of China (No. 61876201), the National Key Research and Development Program of China (No. 2017YFC0 804002) and the Science and Technology Research Project of Chongqing Municipal Education Commission (No. KJQN201800624).


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Authors and Affiliations

  1. 1.Chongqing Key Laboratory of Computational IntelligenceChongqing University of Posts and TelecommunicationsChongqingChina
  2. 2.School of ScienceChongqing University of Posts and TelecommunicationsChongqingChina

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