4.10. Citizens as Sensors: The World of Volunteered Geography

  1. Martin Dodge1,
  2. Rob Kitchin2 and
  3. Chris Perkins1
  1. Michael F. Goodchild

Published Online: 24 APR 2011

DOI: 10.1002/9780470979587.ch48

The Map Reader: Theories of Mapping Practice and Cartographic Representation

The Map Reader: Theories of Mapping Practice and Cartographic Representation

How to Cite

Goodchild, M. F. (2011) Citizens as Sensors: The World of Volunteered Geography, in The Map Reader: Theories of Mapping Practice and Cartographic Representation (eds M. Dodge, R. Kitchin and C. Perkins), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470979587.ch48

Editor Information

  1. 1

    Department of Geography, School of Environment and Development, University of Manchester, Oxford Road, Manchester, M13 9PL, UK

  2. 2

    National Institute for Regional and Spatial Analysis and Department of Geography, National University of Ireland, Maynooth, Co. Kildare, Ireland

Publication History

  1. Published Online: 24 APR 2011
  2. Published Print: 15 APR 2011

ISBN Information

Print ISBN: 9780470742839

Online ISBN: 9780470979587

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Keywords:

  • citizens as sensors - world of volunteered geography;
  • Volunteered Geographic Information (VGI) - using the web to collect, and collaboratively map;
  • VGI activities, creation of elaborate representations of Earth's surface;
  • OpenStreet-Map, international effort - free source of map data through volunteer effort;
  • Google Earth phenomenon - as ‘democratisation of GIS’ (Butler 2006);
  • Google Earth and Google Maps - popularizing, the term mash-up;
  • Google Earthmash-up of Soho area of London - 1854 cholera outbreak made famous by Dr John Snow;
  • georeferencing - GIS relying on ability to specify location on Earth's surface;
  • spatial data infrastructure patchworks;
  • digital divide - openness of VGI, preserve of those fortunate in accessing Internet

Summary

This chapter contains sections titled:

  • Editors' overview

  • Introduction

  • The evolving world of VGI

  • Enabling technologies

  • Concepts

  • Issues

  • The value of VGI

  • References

  • Further reading

  • See also