| 基于一般关系下的双论域变精度粗糙集模型 |
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| 引用本文： | 张海东.基于一般关系下的双论域变精度粗糙集模型[J].宁夏师范学院学报,2011,32(6):18-21. |
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| 作者姓名： | 张海东 |
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| 作者单位： | 西北民族大学数学与计算机科学学院,甘肃兰州,730030 |
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| 摘 要： | 通过引入迪卡尔乘积,定义了双论域上的一般关系及其迪卡尔乘积多数包含关系,提出了一般关系下的双论域变精度粗糙集模型,这是对一般关系下的双论域粗糙集模型的推广;最后讨论了与该模型相关的性质.
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| 关 键 词： | 双论域 粗糙集 变精度粗糙集 迪卡尔乘积 |
Variable Precision Rough Sets Model of the Double Universes Based on General Relation |
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| ZHANG Haidong.Variable Precision Rough Sets Model of the Double Universes Based on General Relation[J].Journal of Ningxia Teachers College,2011,32(6):18-21. |
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| Authors: | ZHANG Haidong |
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| Institution: | ZHANG Haidong (School of Mathematics and Computer Science,Northwest University for Nationalities,Gansu,Lanzhou 730030) |
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| Abstract: | Variable precision rough sets model of the double universes based on general relation is proposed by introducing Descartes product,defining general relation on the double universes and majority inclusion relation on Descartes product,which extends rough sets model on the double universes based on general relation that is put forward.Finally,some related properties about the generalized approximation space are discussed. |
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| Keywords: | Double universes Rough sets VPRS Descartes product |
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