计算机工程与应用2011，Vol.47Issue(20)：135-137,174,4.DOI:10.3778/j.issn.1002-8331.2011.20.039
不完备信息系统中一种改进的粗糙集模型
Improve of rough set model in incomplete information system
摘要
Abstract
In order to process incomplete information systems,the classical rough set theory needs to be extended.In this paper, the incomplete information system is investigated.In such information systems,a new relation is proposed which is based on one parameter,and the rough set model is based on this new relation.An extended model is obtained, which is more effective in classification if setting the parameter properly.It is proved that the new model can anticipate and classify data more precisely.A practical example has verified the advantage of the new binary relation and the extended model.关键词
粗糙集/不完备信息系统/容差关系/非对称相似关系/限制容差关系/改进的二元关系Key words
rough set/ Incomplete Information System (IIS)/ tolerance relation/ non-symmetrical similarity relation/ limited toler-ance relation/ improved binary relation分类
信息技术与安全科学引用本文复制引用
陶志,王桂滨..不完备信息系统中一种改进的粗糙集模型[J].计算机工程与应用,2011,47(20):135-137,174,4.基金项目
国家自然科学基金委员会与中国民用航空总局联合资助项目(No.60672178). （No.60672178）
