| 等价关系下的协调集判定定理 |
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| 引用本文： | 苏亚娟.等价关系下的协调集判定定理[J].新乡学院学报(自然科学版),2013(3):171-172,183. |
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| 作者姓名： | 苏亚娟 |
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| 作者单位： | 新乡学院数学与信息科学系,河南新乡453003 |
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| 摘 要： | 对于等价关系下的目标信息系统,先给出并推导了协调集判定定理,然后将其和该信息系统的属性约简及协调集问题联系起来,给出了求解目标信息系统的辨识矩阵和约简算法.
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| 关 键 词： | 信息系统 等价关系 知识约简 协调集判定定理 |
Theorem of Coordination Set Based on Equivalence Relations |
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| Authors: | SU Ya-juan |
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| Institution: | SU Ya-juan (Department of Mathematics and Information Science, Xinxiang University, Xinxiang 453003, China) |
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| Abstract: | Theorem of coordination set in the information system of equivalence relation is introduced. First, The theorem is derived. Then, it is linked with problems of the attribute reduction and coordination sets. Solving identification matrix of information system and knowledge reduction algorithms is given. |
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| Keywords: | information system equivalence relation knowledge reduction theorem of coordination set |
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