| Design of Conceptual Model in Digital Map Database |
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| 作者姓名： | ZOU Yijiang |
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| 作者单位： | associateProfessor,Ph.Dcandidate,SchoolofRemoteSeningandInformationEngineering,WuhanUniversity,129LuoyuRoad,Wuhan430079,China |
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| 摘 要： | The components of map information are analyzed theoretically in this paper ,and the map information includes mainly the spatial information,attributive information and temporal characteristics information.Then the digital map entity is defined according to construction characteristics of the map information.Finally,on the basis of the analyses of the construction characteristics of digital map entity and present conceptual model of digital map database,an abstracted conceptual model of digital map database is presented.And the Normal Form theory of relational database is discussed particularly.
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| 关 键 词： | 数字地图 数据库 概念模型 地图信息 空间信息 属性信息 |
Design of conceptual model in digital map database |
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| ZOU Yijiang.Design of Conceptual Model in Digital Map Database[J].Geo-Spatial Information Science,2002,5(4):46-49. |
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| Authors: | Zou Yijiang Ph D candidate |
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| Institution: | ZOU Yijiang |
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| Abstract: | The components of map information are analyzed theoretically in this paper,and the map information includes mainly the spatial information,attributive information and temporal characteristics information.Then the digital map entity is defined according to construction characteristics of the map information.Finally,on the basis of the analyses of the construction characteristics of digital map entity and present conceptual model of digital map database,an abstracted conceptual model of digital map database is presented.And the Normal Form theory of relational database is discussed particularly. |
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| Keywords: | digital map database conceptual model |
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