| 不相容决策表全部属性约简计算的一个改进方法 |
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| 引用本文： | 叶东毅,陈昭炯. 不相容决策表全部属性约简计算的一个改进方法[J]. 小型微型计算机系统, 2006, 27(10): 1909-1913 |
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| 作者姓名： | 叶东毅 陈昭炯 |
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| 作者单位： | 福州大学,数学与计算机科学学院,福建,福州,350002 |
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| 基金项目： | 福建省自然科学基金;福建省科技三项重点基金 |
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| 摘 要： | 指出在决策表是不相容的情况下，常用的计算全部属性约简（代数意义下）的基于Skowron差别矩阵的分辨函数方法会产生错误的结果．为了解决这个问题，本文引入一个改进的Skowron差别矩阵，给出一个基于新的差别矩阵的分辨函数方法，并从理论上证明了方法的正确性．
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| 关 键 词： | 粗糙集 属性约简 不相容决策表 差别矩阵 |
| 文章编号： | 1000-1220（2006）10-1909-05 |
| 收稿时间： | 2005-07-01 |
| 修稿时间： | 2005-07-01 |
Improved Method for Computing all Attribute Reducts of an Inconsistent Decision Table |
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| YE Dong-yi,CHEN Zhao-jiong. Improved Method for Computing all Attribute Reducts of an Inconsistent Decision Table[J]. Mini-micro Systems, 2006, 27(10): 1909-1913 |
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| Authors: | YE Dong-yi CHEN Zhao-jiong |
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| Affiliation: | College of Mathematics and Computer Science, Fuzhou University, Fuzhou 350002, China |
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| Abstract: | In this paper, it is pointed out that the discernibility function method based on Skowron's discernibility matrix for computing all attribute reducts of an inconsistent decision table may lead to mistakes. To improve this, a modified discernibility matrix is introduced and a discernibility function method based on this new discernibility matrix is presented. The correctness of the proposed method is proved. |
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| Keywords: | rough set, attribute reducts inconsistent decision table, discernibility matrix |
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