摘要
在交非空关系下的目标信息系统中引入了协调集判定定理,研究了该信息系统的属性约简及协调集问题,给出了约简等相关定义,并给出了求解目标信息系统辨识矩阵和约简的算法.
Judgment theorem of coordination set is introduced into target information system of nonempty intersection relation.The attribute reduction and coordination set of the system are discussed,and some definitions about the knowledge reduction are given.The algorithms,which can be used to solve discernibility matrix of target information system and knowledge reduction,are also given.
出处
《新乡学院学报》
2011年第6期500-502,共3页
Journal of Xinxiang University
关键词
信息系统
知识约简
等价关系
交非空关系
协调集判定定理
information system
knowledge reduction
equivalence relation
nonempty intersection relation
judgment theorem of coordination set
