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GIS Conceptual Data Model

GIS Conceptual Data Model
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摘要 In order to set up a conceptual data model that reflects the real world as accurately as possible,this paper firstly reviews and analyzes the disadvantages of previous conceptual data models used by traditional GIS in simulating geographic space,gives a new explanation to geographic space and analyzes its various essential characteristics.Finally,this paper proposes several detailed key points for designing a new type of GIS data model and gives a simple holistic GIS data model. In order to set up a conceptual data model that reflects the real world as accurately as possible, this paper firstly reviews and analyzes the disadvantages of previous conceptual data models used by traditional GIS in simulating geographic space, gives a new explanation to geographic space and analyzes its various essential characteristics. Finally, this paper proposes several detailed key points for designing a new type of GIS data model and gives a simple holistic GIS data model.
作者 XIAO Lebin ZHONG Ershun LIU Jiyuan SONG Guanfuassociate researcher,Institute of Geographic Sciences and Natural Resources,Chinese Academy of Sciences,3 Datun Road,Anwai,Beijing 100101,China.
出处 《Geo-Spatial Information Science》 2002年第3期19-25,共7页 地球空间信息科学学报（英文）
关键词 TOPOLOGICAL RELATION LAYER GEOGRAPHIC SPACE HOLISTIC data model topological relation layer geographic space holistic data model
分类号 P208 [天文地球—地图制图学与地理信息工程]
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参考文献10

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  • 5[5]He J Z(1997) The research on data model of objectoriented GIS:[Dissertation].Beijing:Peking University.(in Chinese)
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Geo-Spatial Information Science
2002年 第3期

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