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....
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| Format: | Article |
| Language: | zho |
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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 |
| _version_ | 1797236269092175872 |
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| author | QIUGuo-fang(仇国芳) CHENJin(陈劲) |
| author_facet | QIUGuo-fang(仇国芳) CHENJin(陈劲) |
| author_sort | QIUGuo-fang(仇国芳) |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-04-24T17:01:10Z |
| format | Article |
| id | doaj.art-f3e00eaf132a4fa786fef3197876c364 |
| institution | Directory Open Access Journal |
| issn | 1008-9497 |
| language | zho |
| last_indexed | 2024-04-24T17:01:10Z |
| publishDate | 2007-03-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | Zhejiang Daxue xuebao. Lixue ban |
| spelling | doaj.art-f3e00eaf132a4fa786fef3197876c3642024-03-29T01:58:24ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972007-03-01342158162zjup/1008-9497.2007.34.2.158-162Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征)QIUGuo-fang(仇国芳)0CHENJin(陈劲)1 1.School of Management, Xi'an University of Architecture and Technology, Xi 'an 710055, China( 1.西安建筑科技大学管理学院，陕西 西安 710055) 2.College of Public Administration, Zhejiang University, Hangzhou 310027, China( 2.浙江大学公共管理学院，浙江 杭州 310027)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.https://doi.org/zjup/1008-9497.2007.34.2.158-162决策形式背景规则提取概念格属性约简 |
| spellingShingle | QIUGuo-fang(仇国芳) CHENJin(陈劲) Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) Zhejiang Daxue xuebao. Lixue ban 决策形式背景 规则提取 概念格 属性约简 |
| title | Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) |
| title_full | Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) |
| title_fullStr | Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) |
| title_full_unstemmed | Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) |
| title_short | Rule reductions and characters of attributes in concept lattices(概念格的规则约简与属性特征) |
| title_sort | rule reductions and characters of attributes in concept lattices 概念格的规则约简与属性特征 |
| topic | 决策形式背景 规则提取 概念格 属性约简 |
| url | https://doi.org/zjup/1008-9497.2007.34.2.158-162 |
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