This paper presents a novel rough set model based on concordance relation, according to which the objects are less indiscernible and tolerant on the basis of classical and torlerant rough sets.

• 摘要在传统的粗糙集模型和相容粗糙集模型基础上，通过松弛对象之间的不可分辨和相容性条件，给出了一种新的基于和谐关系的粗糙集模型。