一种多粒度覆盖粗糙集模型 |
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引用本文: | 周正国.一种多粒度覆盖粗糙集模型[J].齐齐哈尔轻工业学院学报,2012(5):10-13. |
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作者姓名: | 周正国 |
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作者单位: | [1]连云港师范高等专科学校计算机系,江苏连云港222006 [2]南京理工大学计算机科学与技术学院,南京210094 |
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基金项目: | 2010年度教育部高矾岛专计算机类规划课题项目资助(jzw590111052) |
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摘 要: | 多粒度粗糙集是粗糙集模型在多粒度及分布式环境中的一种重要的拓展形式,其主要思想是采用一族而非一个粒空间中的知识来对目标进行粗糙逼近。将多粒度的思想引人覆盖粗糙集模型中,采用一族而非单个的覆盖,提出了一种多粒度覆盖粗糙集模型。
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关 键 词: | 多粒度粗糙集 覆盖粗糙集 最小描述 多粒度覆盖粗糙集 |
A multi-granulation rough set model based on coverings |
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Authors: | ZHOU Zheng-guo |
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Affiliation: | ZHOU Zheng-guo ( 1.Department of Computer, Liangyungang Teacher' s College, Jiangsu Liangyungang 222006, China 2. School of Computer Science and Technology, Nanjing University of Science and Technology, Nanjing 210094, China ) |
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Abstract: | A Multi-granulation rough set is a very important expansion of the rough set model in multi-granulation and distributed environments. The main idea of multi-granulation rough set is that we can use a set of the granulation spaces instead of a single one to construct rough approximation. In this paper, the idea of multi-granulation is introduced into the covering rough set, a set of the coverings instead of a single one is used to propose a multi-granulation coverings rough set. |
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