| 用历史数据库实现对GIS时态属性的管理 |
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| 引用本文： | 谢传节 王金庄. 用历史数据库实现对GIS时态属性的管理[J]. 测绘工程, 1997, 6(3): 31-34 |
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| 作者姓名： | 谢传节 王金庄 |
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| 作者单位： | 中国矿业大学北京研究生部!100083 |
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| 摘 要： | 从有效管理ＧＩＳ时态属性数据的目的出发，设计了一个历史数据库系统，详细 了时态属性以及它的更新操作规则，并提供了历史关系的５种基本运算和历史查询语言。
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| 关 键 词： | 历史数据库 关系代数 GIS 时态属性 |
Managing Temporal Attributes in GISs Using Historical Databases |
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| Xie Chuanjie, Wang Jinzhuang, Liu Junwei. Managing Temporal Attributes in GISs Using Historical Databases[J]. Engineering of Surveying and Mapping, 1997, 6(3): 31-34 |
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| Authors: | Xie Chuanjie Wang Jinzhuang Liu Junwei |
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| Affiliation: | Beijing Graduate School of China University of Min & Tech |
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| Abstract: | In this paper, we concretly design a historical database model in order tomanage temporal attributes in GISs. We not only discuss values of temporal attributesand its rules of renewal operations, but also offer five fundamental operations and aquery language of historical relation. |
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| Keywords: | Historical database Geographical information system Relationa algebra |
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