GeoJournal

, Volume 69, Issue 4, pp 211–221

Citizens as sensors: the world of volunteered geography

Article

Abstract

In recent months there has been an explosion of interest in using the Web to create, assemble, and disseminate geographic information provided voluntarily by individuals. Sites such as Wikimapia and OpenStreetMap are empowering citizens to create a global patchwork of geographic information, while Google Earth and other virtual globes are encouraging volunteers to develop interesting applications using their own data. I review this phenomenon, and examine associated issues: what drives people to do this, how accurate are the results, will they threaten individual privacy, and how can they augment more conventional sources? I compare this new phenomenon to more traditional citizen science and the role of the amateur in geographic observation.

Keywords

Geographic information Web 2.0 Virtual globe Privacy Citizen science 

Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  1. 1.National Center for Geographic Information and AnalysisUniversity of California, Santa BarbaraSanta BarbaraUSA
  2. 2.Department of GeographyUniversity of California, Santa BarbaraSanta BarbaraUSA

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