Commercial decision system based on fuzzy sets and rough sets pair analysis

Computer Engineering and Applications ›› 2007, Vol. 43 ›› Issue (32): 214-217.

• 工程与应用 • Previous Articles Next Articles

Commercial decision system based on fuzzy sets and rough sets pair analysis

TANG Zhi-hang^1,2,Yang Bao-an¹

1.Glorious-Sun School of Business and Management,Donghua University,Shanghai 200051,China
2.Dept.of Computer Science,Hunan Institute of Engineering,Xiangtan,Hunan 411104,China

Received:1900-01-01 Revised:1900-01-01 Online:2007-11-11 Published:2007-11-11
Contact: TANG Zhi-hang

基于模糊集和粗糙集联系度的商务决策系统

唐志航^1,2,杨保安¹

1.东华大学旭日工商管理学院,上海 200051
2.湖南工程学院计算机科学系,湖南湘潭 411104

通讯作者: 唐志航

Abstract

Abstract: Rough sets theory and fuzzy sets theory can be used to research imprecise and incomplete problems in information systems.This paper applies degree of connection in sets pair analyzed to rough sets theory.The relationship between rough-degree of connection and cardinal of rough lower/upper approximation is demonstrated.To combine fuzzy sets with rough sets pair analysis,a new synthetic evaluation approach is proposed.The result shows this method is quite valuable in knowledge discovery for large category complex information systems.

Key words: rough sets, sets pair analysis, fuzzy sets, knowledge acquisition

摘要： 粗糙集理论和模糊集理论都是研究信息系统中知识的不完整、不确定性问题,把集对分析中的联系度概念应用于粗糙集中,说明了粗糙集联系度与下近似集和上近似集的值化的关系,将粗糙集联系度理论与模糊集理论相结合,提出了一种基于模糊集和粗糙集联系度的综合评价方法,实例验证了该方法对一大类复杂信息系统的知识发现具有一定的应用价值。

关键词: 粗糙集, 集对分析, 模糊集, 知识获取

TANG Zhi-hang^1,2,Yang Bao-an¹. Commercial decision system based on fuzzy sets and rough sets pair analysis[J]. Computer Engineering and Applications, 2007, 43(32): 214-217.

唐志航^1,2,杨保安¹. 基于模糊集和粗糙集联系度的商务决策系统[J]. 计算机工程与应用, 2007, 43(32): 214-217.

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Commercial decision system based on fuzzy sets and rough sets pair analysis

基于模糊集和粗糙集联系度的商务决策系统

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