Computer Science ›› 2018, Vol. 45 ›› Issue (4): 257-259.doi: 10.11896/j.issn.1002-137X.2018.04.043

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Relationships among Several Attribute Reduction Methods of Decision Formal Context

QIN Ke-yun and LIN Hong   

  • Online:2018-04-15 Published:2018-05-11

Abstract: The attribute reduction in the formal context is an important topic of formal concept analysis.Several kinds of attribute reduction in decision formal context have been put forward.This paper was devoted to the study of the relationships among reduction,granular reduction and rule based reduction.An equivalent depiction of rule based consistent set was provided by using formal concepts.It is shown that the rule based consistent set in strong consistent formal context is a consistent set,and the rule based consistent set in granular consistent formal context is a granular consistent set.

Key words: Decision formal context,Reduction,Granular reduction,Rule based reduction

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