The concepts of Rough Decision Support System (RDSS)and equivalence matrix are introduced in this paper. Based on a roug......

本文首先探讨了粗糙集中等价矩阵的基本概念及其运算性质．借助于粗糙属性向量树（RAVT）的巧妙构造，提出了两种能同时完成属性约简、数据......