首先在粗糙集特点和优点的基础上,介绍粗糙集理论的概念和理论基础,并回顾了粗糙集理论自创建以来的发展历程。接着阐述粗糙集理论的理论研究和应用研究方向。最后,分析粗糙集理论存在的不足和缺点,并指出粗糙集理论研究的发展趋势。
Rough sets concepts and theories are introduced based on excellence and character of Rough sets, the development course is overviewed from when it is found up. Then the theory research and application research directions are expatiated. At last, the shortcomings of Rough sets are analyzed and the development trend of Rough sets research is pointed out.