Based on this measure, a new method of attribute reduction of ordered information systems and ordered decision tables is presented without changing the ordinal information of the universe.
在不改变总体序信息情况下，给出了基于此度量对有序信息系统与有序决策表进行约简的新方法。
In this paper, with respect to the ordinal variables, the definitions of attribute reduction of dominance-based rough set approach in ordered information systems and ordered decision tables are given.
针对有序尺度变量，给出了有序信息系统与有序决策表在优势关系下的粗糙集约简定义；
In this paper, with respect to the ordinal variables, the definitions of attribute reduction of dominance-based rough set approach in ordered information systems and ordered decision tables are given.
针对有序尺度变量，给出了有序信息系统与有序决策表在优势关系下的粗糙集约简定义；
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