关键词: 标准 优先序 有序决策表 支配关系 含序粗集方法

Abstract: In classical rough set theory which gives definitions of indiscernibility relation, upper approximation, lower approximation, reduct and core, the main idea is approximating knowledge granules which come from decision attributes set employing knowledge gr

Key words: Criteria, Preference order, Ordered decision table, Dominance relation, CORS