| 基于包含运算的概念格属性约简 |
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| 引用本文： | 孙昱薇,王大辉,仇代远. 基于包含运算的概念格属性约简[J]. 高师理科学刊, 2010, 30(6): 17-19,25. DOI: 10.3969/j.issn.1007-9831.2010.06.006 |
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| 作者姓名： | 孙昱薇 王大辉 仇代远 |
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| 作者单位： | [1]西北大学数学系,陕西西安710127 [2]西北核技术研究所,陕西西安710024 [3]西安通信学院一系,陕西西安710106 |
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| 摘 要： | 基于包含运算区分属性特征,通过对每个属性对应的对象集合进行包含和交运算来判断属性特征.利用包含、交运算判断了所有属性特征,得到了属性协调集和约简集,达到了概念格属性约简的目的.
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| 关 键 词： | 概念格 属性约简 属性特征 包含运算 交运算 |
Attribute reduction of concept lattice based on include-operation |
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| SUN Yu-wei,WANG Da-hui,QIU Dai-yuan. Attribute reduction of concept lattice based on include-operation[J]. Journal of Science of Teachers＇College and University, 2010, 30(6): 17-19,25. DOI: 10.3969/j.issn.1007-9831.2010.06.006 |
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| Authors: | SUN Yu-wei WANG Da-hui QIU Dai-yuan |
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| Affiliation: | 1.Department of Mathematics,Northwest University,Xi’an 710127,China;2.Northwest Institute of Nuclear Technology,Xi’an 710024,China;3.First Department,Xi’an Communications Institute of Journal,Xi’an 710106,China) |
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| Abstract: | Attribute characteristic was judged by include-operation and join-operation of object sets corresponding to every attribute based on using include-operation to distinguish attribute characteristic.Thereafter,all the attribute characteristics were found and correspondingly a consistent set and a reduce set of concept lattice were obtainedf,rom which the aim to reducing the attributes of concept lattice was reached. |
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| Keywords: | concept lattice attribute reduction attribute characteristic include-operation join-operation |
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