The Concept Model and Technologies of Seamless Spatial Data Center
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摘要: 随着空间数据中心技术在国土资源等领域地逐渐成熟，开拓出一套具有自身特色的空间数据集成管理与开发利用模式，是一种新型的分布式地理信息系统(geographic information system，GIS)应用模型.然而，空间数据集成与整合利用、增量更新问题以及不同厂家的功能共享与合作开发仍然是亟待解决的问题.在空间数据中心技术的基础上，引入分布式异构空间数据无缝集成技术，建立了数据无缝、功能无缝和应用无缝3个层次的无缝空间数据中心概念模型，并讨论了其技术体系.
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关键词:
- 空间数据中心 /
- 无缝集成 /
- 地理信息系统应用模型 /
- 数据交换 /
- 增量更新
Abstract: As spatial data center technology is increasingly well-developed and highly sophisticated, the land resource management area is in bad need of a new model of distributed geographic information system (GIS) applications, which is featured by the integrated management and utilization of spatial data. In addition, much has to be worked out soon in the areas such spatial data integration and comprehensive use, incremental updates, as well as software functions sharing and cooperative development of different manufacturers. In this paper, based on the spatial data center technology, and by introducing the distributed heterogeneous spatial data seamless integration technology, a concept model called seamless spatial data center is established, and the technology is discussed. -
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