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不完备区间值模糊信息系统的粗糙集理论OACSCDCSTPCD

Rough set theory for incomplete interval-valued fuzzy information systems

中文摘要英文摘要

考虑到模糊信息系统的不完备性和信息值的不确定性,讨论了不完备区间值模糊信息系统的粗糙集理论,给出了粗糙近似算子的性质.研究了不完备区间值模糊信息系统上的知识发现,提出了基于不完备区间值决策表的决策规则和属性约简,最后给出算例.

By considering the incompleteness and uncertainty of information systems,the rough set theory for the incomplete interval-valued fuzzy information systems is discussed, and several properties of the rough approximation operators are showed.In addition,the knowledge discovery for the incomplete interval-valued fuzzy information systems is studied.As an application,the decision rule and the attribute reduction are presented based on an incomplete interval-valu…查看全部>>

巩增泰;陶蕾

西北师范大学,数学与信息科学学院,兰州,730070西北师范大学,数学与信息科学学院,兰州,730070

数理科学

区间值模糊集区间值模糊信息系统不完备信息系统

interval-valued fuzzy setinterval-valued fuzzy information systemincomplete information system

《计算机工程与应用》 2011 (13)

非绝对模糊积分理论与非连续模糊系统

25-29,49,6

国家自然科学基金项目(No.71061013,No.10771171)西北师大知识创新工程科研项目(No.NWNU-KJCXGC-03-61).

10.3778/j.issn.1002-8331.2011.13.008

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