1. 1 西南交通大学CAD工程中心,四川,成都,610031
2. 2 西南交通大学 信息科学与技术学院,四川,成都,610031
Published:2015
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唐定勇, 景运革. 一种决策表属性值细化的正域约简算法[J]. 微电子学与计算机, 2015, 32(3): 23-27.
TANG Ding-yong, JIN Yun-ge. A Reduction Algorithm of Positive Domain for Decision Table Based on Values Refining[J]. 2015, 32(3): 23-27.
唐定勇, 景运革. 一种决策表属性值细化的正域约简算法[J]. 微电子学与计算机, 2015, 32(3): 23-27. DOI:
TANG Ding-yong, JIN Yun-ge. A Reduction Algorithm of Positive Domain for Decision Table Based on Values Refining[J]. 2015, 32(3): 23-27. DOI:
目前决策表的数据信息都是动态变化的
为了有效地对这些数据集进行处理
提出了信息系统属性值细化时粗糙集增量式约简的矩阵方法并构造相应的算法
最后
通过实例分析来说明属性约简的具体操作方法和算法的有效性与可行性.
Many real data increase dynamically in size. As an effective and efficient mechanism to deal with such data
Incremental algorithms for attribute reduction based on modified equivalence relation matrix are proposed
by which minimal attribute reduction of new decision table can be obtained quickly when when attribute values are refined. Finally
Example confirms the feasibility and effectiveness of proposed operation and method of attribute reduction.
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