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一种分布式空间数据互操作体系结构 被引量:2

A Distributed Architecture for Interoperability in Spatial Database
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摘要 空间数据本质上是分布的,目前对集中式空间数据模型进行了大量的研究,而在分布式空间数据的研究方面尚处于起步阶段。为此提出了一种分布式空间数据的互操作模型———虚拟空间数据模型(vSDM),该模型适用于异构空间数据库的互操作和分布式空间数据的处理,向用户提供一个统一虚拟空间数据操作与查询方法。同时讨论了该模型的构成和特点,并分析了分布式空间数据库查询的层次体系结构。 Spatial data is distributed essentially.There are much more researches in integrated spatial data model but fewer in distributed spatial data. This paper present a distributed spatial data model for interoperability In heterogenous Spatial Database.Depend on this model, interoperability in heterogenous spatial database and operation of distributed spatial data can be achieved.At the same time,we introduces constitution and character of VSDM and investigates hierarchical system structure for distributed spatial query.
出处 《杭州电子工业学院学报》 2002年第6期44-48,共5页 Journal of Hangzhou Institute of Electronic Engineering
关键词 虚拟空间 分布式空间数据模型 虚拟空间数据库 分布式空间查询 VSDM virtual Spatial Database Model ,distributed spatial data model vitual spatial database distributed spatial query
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参考文献11

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共引文献12

同被引文献13

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