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《中国工程科学》 >> 2006年 第8卷 第7期

不完备模糊信息系统

1.南京理工大学计算机科学与技术学院,南京 210094

2.江苏科技大学电子与信息学院,江苏 镇江 212003

资助项目 :“八六三”高技术研究发展计划资助项目(2003AA312090) 收稿日期: 2005-05-26 修回日期: 2006-03-01 发布日期: 2006-07-20

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摘要

以不完备模糊信息系统为研究对象,建立了其中的模糊相容关系及模糊粗糙上、下近似集。在此基础上,探讨了论域上的模糊覆盖问题并提出了覆盖的3种运算形式;定义了2种新的模糊粗糙熵以讨论不完备模糊信息系统中的不确定性因素,证明了不确定因素的变化与度量强度之间的重要关系;建立了一种度量部分模糊知识依赖的新方法,获得了一些新的定理结果证明。

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