Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征)
在研究了概念格形成的偏序结构的基础上,引进了由两个形式背景形成的决策形式背景,讨论了外延集类上等价关系和交一致关系,给出了决策形式背景下规则提取与属性约简方法.同时对于在规则约简中起不同作用的属性,区分了核心(存在于任何约简中)、相对必要属性(存在于某些约简中)和不必要属性(不存在于任何约简中),给出了各类属性的特征和判别方法.这些方法为概念格规则提取的启发式算法打下了基础....
Main Authors: | QIUGuo-fang(仇国芳), CHENJin(陈劲) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2007-03-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2007.34.2.158-162 |
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