| 单向S-区间值模糊粗糙集及应用 |
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| 引用本文： | 鲁小云,王青海.单向S-区间值模糊粗糙集及应用[J].计算机工程与应用,2014,50(8):114-117. |
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| 作者姓名： | 鲁小云 王青海 |
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| 作者单位： | 青海师范大学 计算机学院，西宁 810008 |
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| 基金项目： | 国家自然科学基金(No.60863006);青海省自然科学基金(No.2012-ZR-2935);青海省应用基础项目(No.2011-Z-749);青海师范大学创新基金(青师科字(2012)4号) |
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| 摘 要： | 以Z.Pawlak粗集理论为基础，将动态区间值模糊近似概念引入区间值模糊粗糙集中。由此提出了单向S-区间值模糊粗糙集概念，给出了单向S-区间值模糊粗糙集的结构与性质。定义了单向S-区间值模糊粗糙集的粗相等、截集、粗糙度等概念，并对一些相关性质进行讨论和证明；给出了单向S-区间值模糊粗糙集的应用及存在价值。
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| 关 键 词： | 动态区间值模糊集 区间值模糊元素迁移 区间值模糊粗糙集 单向S-区间值模糊粗糙集 |
One-direction S-interval-valued fuzzy rough set and its application |
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| LU Xiaoyun;WANG Qinghai.One-direction S-interval-valued fuzzy rough set and its application[J].Computer Engineering and Applications,2014,50(8):114-117. |
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| Authors: | LU Xiaoyun;WANG Qinghai |
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| Affiliation: | School of Computer, Qinghai Normal University, Xining 810008, China |
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| Abstract: | This paper introduces the concept of dynamic interval-valued fuzzy approximation in interval-valued fuzzy rough set based on the theory of Z.Pawlak rough set. Based on this, the concept of one-direction S-interval-valued fuzzy rough set is proposed, and its general structure and basic properties are given. The concepts of rough equivalent, cut set and roughness of one-direction S-interval-valued fuzzy rough set are defined, and related properties are discussed and proved. Then, the application and existing value of one-direction S-interval-valued fuzzy rough set is given. |
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| Keywords: | dynamic interval-valued fuzzy set interval-valued fuzzy elementary transfers interval-valued fuzzy rough set one-direction S-interval-valued fuzzy rough set |
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