With the constant increase in spatial information and the growing complexity of spatial problem, the efficiency of spatial information service has been greatly affected.
当前空间信息的日益增长和空间问题复杂程度的不断加大，极大影响空间信息服务的效率。
The spatial data warehouse provides the function of managing the heterogeneously magnanimous information and the service of digital earth oriented high level application.
空间数据仓库为数字地球提供了管理异质、异构海量信息的功能和面向数字地球的高层应用服务。
Spatial data is in the core of spatial information systems, thus, it is very important to study the spatial data integration techniques in service oriented architecture.
空间数据是空间信息系统的核心资源，对面向服务体系结构下的空间数据集成技术展开研究具有重要意义。
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