| 一种基于知识的信息熵概念的粗糙集知识约简方法 |
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| 引用本文： | 闫华.一种基于知识的信息熵概念的粗糙集知识约简方法[J].广东交通职业技术学院学报,2009,8(1):38-40,44. |
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| 作者姓名： | 闫华 |
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| 作者单位： | 广东技术师范学院,广东,广州,510635 |
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| 摘 要： | 文中提出了知识的信息熵的概念，通过知识的信息熵对属性的重要性进行了定义，提出了基于信息熵的租糙集知识约简方法，并通过实例进行了分析。分析结果表明文中提出的基于知识的信息熵概念的粗糙集知识约简方法是行之有效的。
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| 关 键 词： | 粗糙集 知识约简 信息熵 |
A Reductive Method of Knowledge Reducation in Rough Set Based on Concept of Information Entropy of Knowledge |
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| YAN Hua.A Reductive Method of Knowledge Reducation in Rough Set Based on Concept of Information Entropy of Knowledge[J].Journal of Guangdong Communication Polytechnic,2009,8(1):38-40,44. |
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| Authors: | YAN Hua |
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| Institution: | YAN Hua(Guangdong Polytechnic Normal University,Guangzhou 510635,China) |
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| Abstract: | This paper presents a concept of information entropy of knowledge,and according to this concept the impor-tance of attribute is defined.Information based approach for knowledge reduction in rough set is given,and an exam-ple analysis is done in this paper.The results show that the method of knowledge reduction in rough set based on con-cept of information entropy of knowledge are effective. |
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| Keywords: | rough sets knowledge reduction information entropy |
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