Living Reference Work Entry

Encyclopedia of Big Data

pp 1-4

Date: Latest Version

Spatial Data

  • Xiaogang MaAffiliated withDepartment of Computer Science, University of Idaho Email author 

Synonyms

Geographic information; Geospatial data; Geospatial information

Introduction

Spatial property is almost a pervasive component in the big data environment because everything happening on the Earth happens somewhere. Spatial data can be grouped into raster or vector according to the methods used in representations. Web-based services facilitate the publication and use of spatial data legacies, and the crowdsourcing approaches enable people to be both contributors and users of spatial data. Semantic technologies further enable people to link and query the spatial data available on the Web, find patterns of interest, and to use them to tackle scientific and business issues.

Raster and Vector Representations

Spatial data are representations of facts that contain positional values, and geospatial data are spatial data that are about facts happening on the surface of the Earth. Almost everything on the Earth has location properties, so geospatial data and spatial data are regarded as syno ...

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