A Minimal Family of Sub-bases

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Hacettepe Journal of Mathematics and Statistics
Volume:49 Issue:2
A Minimal Family of Sub-bases

A Minimal Family of Sub-bases

Authors : Yiliang Lİ, Yidong LİN, Jinjin Lİ, June FENG, Hongkun WANG

Pages : 793-807

Doi:10.15672/hujms.477534

View : 19 | Download : 11

Publication Date : 2020-04-02

Article Type : Research Paper

Abstract :This paper investigates a minimal family of sub-bases. First, the concept of a minimal family of sub-bases is presented and its properties are studied. Then the relationship between reducts in covering information systems and minimal families of sub-bases is discussed. Based on Boolean matrices, an approach is provided to derive a minimal family of sub-bases. Finally, experiments are conducted to illustrate the effectiveness of the proposed approach.
Keywords : a minimal family of sub bases, Boolean matrix, covering information systems, reduct

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