| 对关系的认识 |
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| 引用本文： | 刘长云,许道云.对关系的认识[J].贵州大学学报(自然科学版),2007,24(1):29-32. |
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| 作者姓名： | 刘长云 许道云 |
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| 作者单位： | 贵州大学计算机科学与技术学院,贵州,贵阳,550025 |
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| 摘 要： | 在非空集合上引入各种关系,目的在于对集合中的元素信息进行研究时,可以借助于关系从其它元素的信息得到帮助。关系的性质是对关系进行限制,性质的闭包是对不具有指定性质的关系进行最小扩充。函数是一种特殊关系,图是关系的直观表示。
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| 关 键 词： | 关系 关系的性质 闭包 算法 |
| 文章编号： | 1000-5269（2007）01-0029-04 |
| 修稿时间： | 2006-12-19 |
On Note of Relations |
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| LIU Chang-yun,XU Dao-yun.On Note of Relations[J].Journal of Guizhou University(Natural Science),2007,24(1):29-32. |
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| Authors: | LIU Chang-yun XU Dao-yun |
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| Institution: | Department of Computer Science, Guizhou University, Guiyang, Guizhou 550025, China |
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| Abstract: | The purpose of introducing relations on non-empty sets is to get some information of elements by relations.The properties of the relations are to restrict the relation and closures of the properties are to the least extension of relation which has some given properties.The function is a special relation and the graph is an intuitional representation of relations. |
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| Keywords: | relation property of relation closure algorithm |
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