Attribute Reduction Based on Closure Operators
对于协调的信息系统,定义了其条件属性集的幂集上的两个闭算子C(R)与C(r),讨论了相应闭集族的性质,并证明了它们与不可辨识属性集族之间的关系.提出属性约简的一种新方法,给出Cr=CR的充要条件,并证明所定义的属性约简与文献[4,7]中约简的等价性.
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