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近似集动态更新方法的性能评测与规则获取 被引量:1

Performance Evaluation of Dynamic Maintenance of Rough Set Approximations and Rule Mining
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摘要 对属性集变化时特性关系下粗糙集扩展模型中近似集动态更新的方法进行性能测试,验证了该方法的有效性和适用性;并依此方法设计了一个伪增量规则提取的系统,可以直接用来为决策服务。 This paper provides a series of experiments for performance evaluation of the approach for incrementally updating approximations of a concept under the characteristic relation-based rough sets. Experimental results confirm that the approach is effective and applicable in many real datasets. Then,a pseudo-incremental rule mining system is developed under this approach and can be used in decision making.
作者 李天瑞 宋晶
出处 《广西师范大学学报(自然科学版)》 CAS 北大核心 2008年第3期92-95,共4页 Journal of Guangxi Normal University:Natural Science Edition
基金 国家自然科学基金资助项目(60474022) 高校博士点专项科研基金资助课题(20060613007) 西南交通大学基础科学研究基金资助课题(2007B13)
关键词 粗糙集 数据挖掘 不完备信息系统 rough sets data mining incomplete information systems
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参考文献11

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