地理空间数据集成 geographic spatial data integration
分布式空间数据集成 distributed spatial data integration
空间数据集成与更新 fundamental geographic spatial data
多源空间数据无缝集成 Seamlessly Multiple Data Sources Integration ; Seamless Integration of Multi-source Spatial-data
空间数据的获取与集成 Spatial Data Acquisition and Integration
目前多源空间数据集成的模式有数据格式转换、数据互操作和直接数据访问。
At present, the modes of the integration of multi-source spatial data are data format exchange, data interoperation, and directly data access.
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。
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.
本文阐述了SIG的概念、关键技术和中心策略，并对当前的信息集成进行了探讨，提出了基于SIG服务的空间数据集成的基本思路。
This paper presents the concept, key issues and strategy of SIG, discusses the status of data integration, and presents an approach to integrating the spatial data based on the SIG services.
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