| 粗集近似精度及其粒度特征 |
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| 引用本文： | 夏佳荣. 粗集近似精度及其粒度特征[J]. 杭州师范学院学报(自然科学版), 2007, 6(5): 321-323 |
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| 作者姓名： | 夏佳荣 |
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| 作者单位： | 杭州师范大学,理学院,浙江,杭州,310036 |
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| 摘 要： | Pawlak近似精度是衡量粗集近似程度的重要指数[1],针对Pawlak近似精度没有考虑近似空间的颗粒结构,在此利用粒度的概念定义了具有颗粒结构的近似精度,讨论了该近似精度的粒度特征.
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| 关 键 词： | 粗集 近似精度 粒度 |
| 文章编号： | 1008-9403(2007)05-0321-03 |
| 修稿时间： | 2007-07-24 |
The Approximation Accuracy for Rough Sets and its Granular Feature |
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| XIA Jia-rong. The Approximation Accuracy for Rough Sets and its Granular Feature[J]. Journal of Hangzhou Teachers College(Natural Science), 2007, 6(5): 321-323 |
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| Authors: | XIA Jia-rong |
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| Abstract: | The Pawlak approximation accuracy is an important quantity that measure the imprecision of a rough set[1].However,it does not consider the granularity of the approximation space.In this paper a new accuracy of approximation for rough sets is proposed. |
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| Keywords: | rough sets approximation accuracy granularity |
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