地理空间

此外，DB2提供了先进的SQL功能来帮助处理复杂的查询，包括地理空间数据和复杂计算。

In addition , DB2 provides advanced SQL features to help handle complex queries , including geospatial data and complex computations .

地理空间数据GIS的处理中，空间分析是其分析、模拟、预测和调控过程的基础理论和技术。

In the geospatial data processing , GIS spatial analysis is the theoretic and technical basis for analyzing , simulating , predicting and regulating the spatial processes .

基于本体和Agent的地理空间信息语义共享

Geo-spatial Information Semantic Share on Base of Ontology and Agent

非标准格式地理空间数据的GIS方式直接读取研究

A Study of GIS-based Direct Reading of Nonstandard Geographic Spatial Data

XML相关技术下地理空间数据的整合及发布

The Conformity and Issue of Geographical Spatial Data Based on XML Related Technologies

地理空间数据由文件存储方式向数据库存储方式转变是当前GIS发展的必然趋势，也是研究的热点之一。

It is the necessity that change the spatial storage from file system to database .

GIS是解决地理空间位置相关问题的主要技术手段。

Geographic information system is a significant technology to solve the problems related to spatial locations .

随着各种数据采集技术的不断发展，GIS所处理的地理空间数据量空前增长。

With developing of various data collection technology , quantity of Geographical spatial data growth unprecedentedly .

基于Oracle的数字城市基础地理空间数据库的实现

Realization of basic geography spatial database on cyber-city based on oracle

讨论了地理空间信息的表达体系和适合地理本体表达又能够结合实用GIS技术的地理特征模型；

Discusses the geo-feature model suited the expression of geo-ontology and the framework of semantic spatial information system .

基于面向对象地理空间模型的实体查询和分析，也比基于传统GIS数据库查询和分析具有强得多的功能。

Compared with traditional HIS , the query and analyses ability of which based on new model are stronger .

地理空间数据不确定性理论和方法的研究是当前GIS学科研究的热点和前沿领域之一。

Theories and methods of geospatial special data uncertainty nowadays is one of the most important researching fields in GIS .

通过该系统可以实现浏览器端和GIS服务器端的空间信息进行各种交互操作，达到空间信息发布的实时化、可视化和地理空间信息的网络共享。

Using this system , we can achieve interoperability , visualization , real-time and network sharing between browsers and servers .

论文从空间数据库和信息检索的角度研究了Web环境下地理空间数据服务集成和分布式查询问题。

This dissertation addresses the geo-spatial data service integration and distributed spatial query issues under web environment from the points of spatial database and information retrieval .

各种地理空间型信息系统的建立均依赖于多层次、综合性的地理空间信息与属性信息集成的数据库，这些地理空间数据具有多类型、多尺度、多GIS与数据库平台等特点。

All the implementations of geo-spatial information systems are dependent on the multi-level , synthetic and integrated databases of spatial and attribute information .

最后分析了几种典型的不同地理空间分布下MF接收机的性能。

Several different typical antenna set spatial distributions are studied finally .

提出了基于DFT相位的矢量地理空间数据数字水印模型。

A digital watermarking model for vector geo-spatial data DFT-based phase is designed .

在该模型设计中，利用XML技术重新构造了地理空间数据的实体结构，提出了一种新的解决空间信息共享的方法，设计了空间数据共享和互操作的整体框架。

With this method , it reconstructs the geo-spatial data object based on XML , and designs a whole framework for data co-operation and sharing .

研究了LBS系统中基于SVG的地理空间数据可视化技术。

The visualization technology of spatial data using SVG in LBS.

电子政务与GIS的关系突出体现在：GIS是电子政务的地理空间定位平台；

The close relationship between electronic government and GIS can be synthesized as follows : GIS is the geographic spatial positioning platform of electronic government construction ;

DXF格式地理空间实体的GML表示

GML Representation of Geographical Spatial Entities in DXF Format

传统的Web语言HTML是一种超文本标记语言，随着Web上信息类型的日益增多，它不利于表现地理空间数据。

Traditional Web language HTML is a kind of hypertext markup language . With the appearance of manifold information type , the disadvantages of HTML for representing spatial data are exposured .

将地址解析为地理空间点的方法存根与SeamRemoting方法存根的工作原理相同。

The method stub that translates addresses to geo-spatial points works similarly to the Seam Remoting method stubs .

Dijkstra算法是地理空间数据分析、处理、查询以及决策等的一种实用算法。

Dijkstra algorithm was practical when the geography space data was analysed and handled .

将地理空间自相关模型和灰色关联度模型与GIS技术结合，完成航运发展和地区经济发展的相关性分析，并将计算结果通过专题图展示出来。

Integrate geographical spatial autocorrelation model and gray model with GIS technology , complete the correlation analysis on shipping development and regional economic development , and display the thematic maps .

随着Internet技术的发展和社会对地理空间信息需求的增加，建立WWW电子地图库已经成为必然。

Along with the development of internet technology and the increase of social demand for the geographical spatial information , building WWW digital map library has become necessary .

基于GML的地理空间数据模型

XML-Based Data Model on Geographical Information

为了提高异构空间数据的融合、系统可移植性的需要，研究了基于XML的地理空间数据表达及其传输技术。

In order to enhance the fusion of different space data , and satisfy the system 's transplant , geography space data expression based on the XML and its transmission technology are studied .

正如我已经提到的，它负责了所有呈现地图的所有细节并会提供一个API来绘制地图上的地理空间位置。

As I mentioned already , it takes care of all the details of rendering the map and dually provides an API for plotting geo-spatial locations on that map .

与管理信息系统（MIS）相比，GIS具有地理空间位置定位查询和分析的能力，并能以生动直观的图形方式表现出地理空间信息。

Compared with Management Information System ( MIS ), GIS has the ability to query and analysis the spatial data , and can display the spatial information vividly and directly .