计算机工程与应用2011，Vol.47Issue(35)：22-24,3.DOI:10.3778/j.issn.1002-8331.2011.35.006
集值信息系统的粗糙集扩展模型
Extended rough set model in set-valued information systems
摘要
Abstract
Kinds of relations in the classical set-valued information systems are analyzed.Based on set inclusion degree, the concept of tolerance degree is introduced in set-valued information systems,and then a tolerance relation based on tolerance degree is defined. An extension model of rough set based on α -tolerance relation is proposed, then the relations between this extension model and classical models are compared.Finally,an illustrative example is analyzed.关键词
集值信息系统/粗糙集/相似度/α-相容关系Key words
set-valued information systems/rough set/tolerance degree/ α-tolerance relation分类
信息技术与安全科学引用本文复制引用
鲍忠奎,杨善林..集值信息系统的粗糙集扩展模型[J].计算机工程与应用,2011,47(35):22-24,3.基金项目
国家自然科学基金(the National Natural Science Foundation of China under Grant No.71071045) （the National Natural Science Foundation of China under Grant No.71071045）
国家高技术研究发展计划(863)(No.2008AA042901). （863）
