基于粗糙集的推理通道消除  

ELIMINATION OF INFERENCE CHANNEL BASED ON ROUGH SET THEORY

作　　者：张冬雯[1] 周长杰[1] 蒋演[1] 仇计清[1] 王鹏[2] 

机构地区：[1]河北科技大学理学院,河北石家庄050018 [2]河北科技大学信息科学与工程学院,河北石家庄050018

出　　处：《计算机应用与软件》2011年第5期55-57,97,共4页Computer Applications and Software

基　　金：国家自然科学基金资助(60874003);河北省科学技术研究与发展项目(07215601D-3)

摘　　要：基于粗糙集理论对推理通道问题进行了研究。通过采用属性约简和属性值约简方法对数据库中的数据进行处理。在属性值约简基础之上,采用一种改进算法找出了数据库中推理规则集。进一步,将推理规则集中属性频率高的属性安全级别提高至决策属性的安全级别,从而消除推理通道。最后通过一个实例表明提出的消除通道算法是有效的。This paper addresses inference channel issue based on rough set theory.The data in database is processed by using attribute and attribute value reductions.Besides,based on attribute value reduction,an improved algorithm is proposed for finding the inference rules in database.Further,the security level of condition attributes which has high attribute frequency in inference rules is raised to the security level of decision attributes,therefore the inference channel could be eliminated.Finally,an example is used to show that the algorithm proposed in the paper is efficient and feasible.

关 键 词：粗糙集 推理控制 属性值约简 推理规则 推理通道 

分 类 号：TP18[自动化与计算机技术—控制理论与控制工程]