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粗糙Galois连接

Rough Galois connections
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摘要 在粗糙集中讨论概念格,定义粗糙形式背景、粗糙概念,给出它们的性质,在粗糙形式背景中借助蕴涵算子研究上、下近似运算,并且定义和讨论了粗糙Galois连接。 we discuss concept lattice in rough sets,define rough formal context,rough concept,give their properties,study the lower(upper) approximate operators by means of implication in rough formal context,and investigate rough Galois connection.
作者 傅丽 冉凯
出处 《计算机工程与应用》 CSCD 北大核心 2008年第3期72-74,共3页 Computer Engineering and Applications
基金 教育部2006年春晖计划(No.Z2006- 81001) 国家民委课题(No.08QH08)
关键词 粗糙集 粗糙概念 概念格 粗糙Galois连接 rough set rough concept concept lattice rough Galois connection
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