| Rough集定义的拓广 |
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| 引用本文： | 黄程波,易桂生. Rough集定义的拓广[J]. 计算机与现代化, 2000, 0(1): 37-41 |
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| 作者姓名： | 黄程波 易桂生 |
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| 作者单位： | 1. 南昌职业技术师范学院应用物理系江西南昌 330013
2. 江西师范大学数学与信息学院江西南昌 330027 |
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| 摘 要： | 对Rough集定义进行了拓广,通过将拓广的定义与传统的Rough集定义的比较分析证明了拓广是有意义、实用的.
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| 关 键 词： | 等价关系 相似性关系 Rough集 |
| 文章编号： | 1006-2475(2000)01-0037-05 |
| 修稿时间： | 1999-10-19 |
A Generalization of Rough Set Definition |
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| HUANG Cheng bo ,YI Gui sheng. A Generalization of Rough Set Definition[J]. Computer and Modernization, 2000, 0(1): 37-41 |
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| Authors: | HUANG Cheng bo YI Gui sheng |
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| Affiliation: | HUANG Cheng bo 1,YI Gui sheng 2 |
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| Abstract: | This paper proposes a new definition of lower and upper approximations which are basic concepts of rough set theory. The new definitions are compared to the classical definitions and its signification in the theory and values of applications in the practice are proven. |
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| Keywords: | rough sets upper and low approximations indiscernibility relation equivalence relation similarity relation |
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