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不完备决策形式背景的概念构建与属性约简 被引量:4

Concept Construction and Attribute Reduction in Incomplete Decision Formal Contexts
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摘要 首先定义了不完备决策形式背景,在其不完备的子条件形式背景和子决策形式背景上,提出了双子集内涵概念的构建方法及概念格的生成算法,给出了不完备决策形式背景基于双子集内涵概念的属性协调集与属性约简的判定方法。 We defined the incomplete decision formal context, and proposed the construction method of concept with double subset intension and the generation algorithm of concept lattice in incomplete sub-condition formal context and sub-decision formal context~ Further, the judgment theorems of consistent sets and attribute reduction based on the double subset intension concept were given in incomplete decision formal context.
出处 《计算机科学》 CSCD 北大核心 2017年第9期83-87,共5页 Computer Science
基金 国家自然科学基金(61573127 61300121 61502144 61472463) 河北省自然科学基金(A2014205157) 河北省高校创新团队领军人才培育计划项目(LJRC022) 河北省高校自然科学基金(QN2016133) 河北师范大学博士科学基金(L2015B01) 河北师范大学硕士研究生创新项目资助
关键词 决策形式背景 概念格 协调集 属性约简 Decision formal context, Concept lattice, Consistent sets, Attribute reduction
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  • 2ZHANG Wenxiu,WEI Ling,QI Jianjun.Attribute reduction theory and approach to concept lattice[J].Science in China(Series F),2005,48(6):713-726. 被引量:70
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