Knowledge reduction methods of covering approximate spaces based on concept lattice

作者：

Highlights：

• Union reduction methods of CA-space based on concept lattice are presented.

• The relations of element characteristics between CA-space and concept lattices are discussed.

• The relations between reduction of a CA-space and that of its compliment space are revealed.

摘要

•Union reduction methods of CA-space based on concept lattice are presented.•The relations of element characteristics between CA-space and concept lattices are discussed.•The relations between reduction of a CA-space and that of its compliment space are revealed.

论文关键词：Concept lattices,Covering approximation spaces,Concept lattice reduction,Covering rough sets,Formal contexts

论文评审过程：Received 21 February 2019, Revised 21 November 2019, Accepted 24 November 2019, Available online 27 November 2019, Version of Record 8 February 2020.

论文官网地址：https://doi.org/10.1016/j.knosys.2019.105269