GIS supports the collection, storage and display of geographic space data, and provides information inquiry and analysis by relating the geographic space data with reference data.

GIS支持地理空间数据的采集、存储和显示，并能将地理空间数据与相关参考数据关联以提供信息查询与分析。

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As the data base of the GIS digital terrain analysis, digital Elevation Model (DEM) contains rich of terrain, topography and related geo-information and knowledge.

数字地形模型(DEM)包含着丰富的地形、地貌及相关的地学信息与知识，是GIS数字地形分析的数据基础。

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Chapter III is the focus of this paper, from GIS technology data management, information visualization capabilities, analysis of space transportation systems to deal with road network evaluation.

第三章是本文的重点，分别从GIS技术的数据管理、信息可视化能力、空间分析方面来处理公路网交通系统评价问题。

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Large amounts of data in Oil and Gas is exploration data and needs to be combined with GIS systems for visualization and analysis.

FORBES: Big Data: A Picture Is Worth A Thousand Words

This side event will launch an initiative to establish a common spatial data framework for vulnerability analysis and adaptation planning, linking a wide range of relevant data using Geographic Information Systems (GIS).

UNESCO: Basic Sciences