An Analysis Method of Rough Multi-attribute Decision Making Based on Limited Extended Dominance Relation

Since analysis method of rough decision making based on extended dominance relation has its limitations,a new decision analysis method based on extension of the rough sets is proposed to multi-attribute decision making problems with preferential and incomplete information in this paper.Firstly,the concept of limited extended dominance relation is(presented,) secondly,the rough approximations of knowledge are obtained by limited extended dominance relation and(decision) rules of classification are acquired,thirdly,new method proves to be better than old one by contrast analysis,(finally,) the feasibility and effectiveness of new method are demonstrated by a real example.