Method for rule acquisition in incomplete information systems based on granular computing

doi:yuhyan68@163.com

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (8): 143-145.DOI: yuhyan68@163.com

• 数据库、信号与信息处理 • Previous Articles Next Articles

Method for rule acquisition in incomplete information systems based on granular computing

YU Hai-yan^1,2,WANG Dao-ping¹,ZHANG Xia^2,3

1.School of Economics and Management，University of Science and Technology Beijing，Beijing 100083，China
2.Computer Center，Hebei University of Economics and Business，Shijiazhuang 050061，China
3.School of Information and Engineering，University of Science and Technology Beijing，Beijing 100083，China

Received:2008-01-23 Revised:2008-04-18 Online:2009-03-11 Published:2009-03-11
Contact: YU Hai-yan

基于粒计算的不完备信息系统的规则提取方法

于海燕^1,2,王道平¹,张霞^2,3

1.北京科技大学经济管理学院，北京 100083
2.河北经贸大学计算机中心，石家庄 050061
3.北京科技大学信息工程学院，北京 100083

通讯作者: 于海燕

Abstract

Abstract: An algorithm of rule acquisition from incomplete information systems is proposed based on granular computing.The information table is decomposed to hierarchy.Certain rule will be acquired according to certain information in every hierarchy.Because the null value is uncertain，it is regarded not equal to any certain value in processing.

Key words: incomplete information systems, granular computing, knowledge acquisition

摘要： 根据粒计算思想提出了一种从不完备决策表中分层提取确定规则的方法，将决策表进行分解，然后按决策表提供的确定信息分层提取相应的确定规则，在处理过程中认为空值提供的信息是不可靠的，所以与确定值严格加以区分，该方法充分利用不完备信息系统中的确定信息，得到长度不等的确定规则。

关键词: 不完备信息系统, 粒计算, 知识获取

YU Hai-yan^1,2,WANG Dao-ping¹,ZHANG Xia^2,3. Method for rule acquisition in incomplete information systems based on granular computing[J]. Computer Engineering and Applications, 2009, 45(8): 143-145.

于海燕^1,2,王道平¹,张霞^2,3. 基于粒计算的不完备信息系统的规则提取方法[J]. 计算机工程与应用, 2009, 45(8): 143-145.

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Method for rule acquisition in incomplete information systems based on granular computing

基于粒计算的不完备信息系统的规则提取方法

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