| 不完备区间值模糊信息系统的粗糙集理论 |
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| 引用本文： | 巩增泰,陶蕾.不完备区间值模糊信息系统的粗糙集理论[J].计算机工程与应用,2011,47(13):25-29. |
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| 作者姓名： | 巩增泰 陶蕾 |
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| 作者单位： | 西北师范大学 数学与信息科学学院，兰州 730070 |
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| 基金项目： | 国家自然科学基金项目，西北师大知识创新工程科研项目 |
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| 摘 要： | 考虑到模糊信息系统的不完备性和信息值的不确定性，讨论了不完备区间值模糊信息系统的粗糙集理论，给出了粗糙近似算子的性质。研究了不完备区间值模糊信息系统上的知识发现，提出了基于不完备区间值决策表的决策规则和属性约简，最后给出算例。
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| 关 键 词： | 区间值模糊集 区间值模糊信息系统 不完备信息系统 |
| 修稿时间： | |
Rough set theory for incomplete interval-valued fuzzy information systems |
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| GONG Zengtai,TAO Lei.Rough set theory for incomplete interval-valued fuzzy information systems[J].Computer Engineering and Applications,2011,47(13):25-29. |
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| Authors: | GONG Zengtai TAO Lei |
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| Affiliation: | College of Mathematics and Information Science，Northwest Normal University，Lanzhou 730070，China |
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| Abstract: | By considering the incompleteness and uncertainty of information systems,the rough set theory for the incomplete interval-valued fuzzy information systems is discussed,and several properties of the rough approximation operators are showed.In addition,the knowledge discovery for the incomplete interval-valued fuzzy information systems is studied.As an application,the decision rule and the attribute reduction are presented based on an incomplete interval-valued decision table |
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| Keywords: | interval-valued fuzzy set interval-valued fuzzy information system incomplete information system |
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