摘要
对于等价关系下的目标信息系统,先给出并推导了协调集判定定理,然后将其和该信息系统的属性约简及协调集问题联系起来,给出了求解目标信息系统的辨识矩阵和约简算法.
Theorem of coordination set in the information system of equivalence relation is introduced. First, The theorem is derived. Then, it is linked with problems of the attribute reduction and coordination sets. Solving identification matrix of information system and knowledge reduction algorithms is given.
出处
《新乡学院学报》
2013年第3期171-172,183,共3页
Journal of Xinxiang University
关键词
信息系统
等价关系
知识约简
协调集判定定理
information system
equivalence relation
knowledge reduction
theorem of coordination set.
