本文介绍序信息系统中粗糙集理论的基本概念,通过分析和回顾序信息系统粗糙集的方法和研究现状,给出了该领域下一步的研究重点和主要方向,为充实和完善序信息系统粗糙集理论与方法奠定了基础.
This paper introduces the basic concepts of rough set theory in ordered information systems. The next main directions are proposed by analyzing research status and important models and properties of rough set theory in ordered information systems,which can enrich and perfect theories and methods of ordered information systems based on rough set theory.