| 信息系统知识约简简便算法 |
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| 引用本文： | 邵明文,张文修,吴伟志.信息系统知识约简简便算法[J].计算机科学,2003,30(11):25-28. |
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| 作者姓名： | 邵明文 张文修 吴伟志 |
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| 作者单位： | 1. 西安交通大学理学院信息与系统科学研究所,西安,710049
2. 浙江海洋学院数学系 |
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| 摘 要： | In this paper, by using discernibility attribute matrices, give the sufficient and necessary conditions for justfying an attribute is absolute,relative and superfluous,and then simplified approaches to knowledge reductions in information systems and consistent target information systems are presented,from which the cost for computing the reductions is reduced.
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| 关 键 词： | 知识约简 信息系统 简便算法 |
Simplified Algorithms for Knowledge Reductions in Information Systems |
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| SHAO Ming-Wen ZHANG Wen-Xiu WU Wei-Zhi.Simplified Algorithms for Knowledge Reductions in Information Systems[J].Computer Science,2003,30(11):25-28. |
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| Authors: | SHAO Ming-Wen ZHANG Wen-Xiu WU Wei-Zhi |
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| Abstract: | In this paper, by using discernibility attribute matrices, give the sufficient and necessary conditions for justfying an attribute is absolute,relative and superfluous,and then simplified approaches to knowledge reductions in information systems and consistent target information systems are presented,from which the cost for computing the reductions is reduced. |
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| Keywords: | Information systems Consistent target information systems Attributes Knowledge reductions |
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