计算机科学 ›› 2008, Vol. 35 ›› Issue (10): 173-177.

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概念格中多层次的属性约简理论

  

  • 出版日期:2018-11-16 发布日期:2018-11-16

  • Online:2018-11-16 Published:2018-11-16

摘要: 提出了形式背景的子概念格及形式背景关于概念、子概念格(包括概念格)的属性约简概念;定义了概念、子概念格(包括概念格)的特征函数,并以此为基础提出了属性约简定理,得出了具体的属性约简方法,同时研究了不同约简下属性间的关系,进一步完善了概念格属性约简理论,也为概念格用于数据处理及知识发现提供了新的工具。

关键词: 形式背景 子概念格 特征函数 属性约简

Abstract: Put forward the concepts of proper concept lattice and attributes reduction of concepts and proper concept lattices (including concept lattices) in formal contexts. Defined the characteristic functions of concepts and proper concept lattices (including co

Key words: Formal context, Proper concept lattice, Characteristic function, Attributes reduction

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