变精度粗糙集模型 |
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引用本文: | 王云,韩伟.变精度粗糙集模型[J].鲁东大学学报,2003,19(2):92-95. |
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作者姓名: | 王云 韩伟 |
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作者单位: | 临沂师范学院计算机系 山东临沂276000
(王云),华东师范大学教育信息技术系 上海200062(韩伟) |
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摘 要: | 针对基本RS模型的不足,介绍了变精度粗糙集模型,并讨论了它与基本RS模型的关系.最后,定义了变精度粗糙集模型上的属性近似依赖、近似约简.
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关 键 词: | 粗糙集 信息系统 属性依赖 近似约简 |
文章编号: | 1004-4930(2003)02-0092-04 |
修稿时间: | 2002年12月24 |
Variable precision rough set model |
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Abstract: | To make up the deficiency of basic RS model,the variable precision rough set model is proposed. The relations between the variable precision model and the basic RS model are discussed and the notions of attribute dependence and reduction of attribute based on this model are also defined. |
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Keywords: | rough sets information system attribute dependence approximation reduction |
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