Finding the core (s) and the reduction of information system is prime of rough sets by the method of indiscernibility relation from origin information system.
从原始信息系统出发，用不可分辨类的思想求解系统的核属性和约简是粗集理论的精华。
Finding the core (s) and the reduction of information system is prime of rough sets by the method of indiscernibility relation from origin information system.
从原始信息系统出发，用不可分辨类的思想求解系统的核属性和约简是粗集理论的精华。
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