基于一般关系下的双论域粗糙集模型

Rough Sets Model on the Double Universes Based on General Relation

通过构造性方法对原始的粗糙集模型进行推广,提出了一般关系下的双论域粗糙集模型,并且讨论了该近似空间的上、下近似算子的一些性质,初步探讨了定义在双论域上的某些特殊关系下的近似算子的一些性质.

The primitive rough sets model is extended by the constructive approach. Rough sets model on the double universes based on general relation is proposed and some properties about a pair of lower and upper generalized approximation operators are discussed. With respect to certain special relation on the double universes, some properties about generalized approximation operators are investigated.