For decision table (DT) with reduplicate and conflictive objects, a rule acquisition approach based on rough set theory (RST) is presented, which makes the rules acquired cover all the objects in DT.

• 摘要对含有重复和冲突对象的离散决策表，提出了一种基于粗糙集的规则获取方法，使得获得的规则能够涵盖所有的对象。