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Design and Implementation of GDE-Geographic Data Engine
Author(s): 
Pages: 42-46
Year: Issue:  1
Journal: HYDROGRAPHIC SURVEYING AND CHARTING

Keyword:  地理信息系统地理空间认知模型地理数据模型;
Abstract: 在对地理数据建模过程研究的基础上,论述了地理数据引擎-GDE(geographic data engine)的设计与实现,提出了独立于具体数据结构和文件格式的地理数据访问方法,从概念模型上论述了GDE的相关理论及设计策略,给出了此模型的具体实现.
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