Combining XML database technology and traditional spatial database technology, this paper conducts a deep research on querying and indexing GML data.
本文结合XML数据库技术和传统的空间数据库技术，对GML空间数据的查询、索引进行了深入的研究。
In addition, this technology helps the maintenance and management of the system spatial database, and keeps the system space attribute data current.
另外，该技术还有利于系统空间数据库的维护和管理，保持系统空间数据的现时性。
Spatial data Grid derived from data Grid. In the dissertation, the key technology of Spatial data Grid, including metadata catalog, data broker and Grid Spatial Database are studied.
空间数据网格来源于数据网格，本文对它的关键技术-元数据目录、数据代理和网格空间数据库进行了探讨研究。
Spatial data mining technology offers valuable means for discovering knowledge in environmental database.
空间数据挖掘技术为环境数据库的知识发现提供了有效的途径。
And it also integrated modern multimedia technology with traditional spatial database, hence the multimedia information query based on the spatial database came true.
同时把空间数据库技术和现代多媒体技术结合起来，实现在空间数据基础上的多媒体信息查询。
With the combination of database technology and GIS application, the method of manage spatial data using object relational database technology will be the currently tendency.
随着目前数据库技术与GIS应用的结合，采用对象关系数据库来管理空间数据已表现出强大的生命力。
As the application of information technology enlarges its scope in the fields of land and mineral resources, the theory, technology and practice of spatial database concept become very complete.
随着信息技术在国土资源部门的广泛应用，空间数据库理论、技术和实践日臻成熟。
Geography Mark Language (GML) is used to describe the spatial data in this paper. Then it studies on the organization, storage and management of GML data by integrating XML database technology.
本文采用地理标记语言gml来描述空间数据，并结合XML数据库技术对GML数据的组织、存储和管理等问题进行研究。
It could be integrate traditional feature extraction technology into GIS and becomes a kind of agricultural spatial data feature extraction technology on the basis of the spatial database platform.
在空间数据库平台的基础上，可将传统特征提取技术引入GIS，从而成为农业空间数据特征提取技术。
The paper analyses the spatial data and attribute data of urban transit network and builds the urban transit information database based on GIS technology.
分析城市公交网络的各种空间实体数据和属性数据，建立了基于GIS的公交网络信息数据库。
Ideally, a variety of smaller scale spatial data can be automatically derived from a large scale spatial database. That requires model generalization technology in the GIS environment.
理想的情况是能够从大比例尺空间数据库自动衍生各种小比例尺空间数据，即实施GIS环境下的模型综合。
Ideally, a variety of smaller scale spatial data can be automatically derived from a large scale spatial database. That requires model generalization technology in the GIS environment.
理想的情况是能够从大比例尺空间数据库自动衍生各种小比例尺空间数据，即实施GIS环境下的模型综合。
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