面向信息服务的SDI数字地理空间数据框架研究
蒋捷
摘要(Abstract)：
“空间数据基础设施”(Spatial data infrastructure,SDI)是各国信息化发展的重要支撑,随着我国信息化进程的飞速推进,电子政务、公众信息服务对SD I提出了更高的要求。数字地理空间数据框架是SD I的核心与基础,是支持地理空间信息服务的关键。本文在分析国外技术现状与趋势的基础上,提出了适合我国国情的多尺度地理空间数据框架的模型,并通过实际工程验证了该模型的合理性与可行性。
关键词(KeyWords)： 空间数据基础设施;数字地理空间数据框架;信息服务;数据模型
基金项目(Foundation):
作者(Author): 蒋捷
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