VGI quality control

C.C. Fonte, Lucy Bastin, G. Foody, T. Kellenberger, N. Kerle, P. Mooney, A.-M. Olteanu-Raimond, L. See

Research output: Unpublished contribution to conferenceUnpublished Conference Paperpeer-review


This paper presents a framework for considering quality control of volunteered geographic information (VGI). Different issues need to be considered during the conception, acquisition and post-acquisition phases of VGI creation. This includes items such as collecting metadata on the volunteer, providing suitable training, giving corrective feedback during the mapping process and use of control data, among others. Two examples of VGI data collection are then considered with respect to this quality control framework, i.e. VGI data collection by National Mapping Agencies and by the most recent Geo-Wiki tool, a game called Cropland Capture. Although good practices are beginning to emerge, there is still the need for the development and sharing of best practice, especially if VGI is to be integrated with authoritative map products or used for calibration and/or validation of land cover in the future.
Original languageEnglish
Number of pages8
Publication statusPublished - 20 Aug 2015
EventISPRS Geospatial week 2015 - La Grande Motte, France
Duration: 28 Sept 20153 Oct 2015


ConferenceISPRS Geospatial week 2015
CityLa Grande Motte

Bibliographical note

Pressented at ISPRS Geospatial Week 2015, 28 Sep – 03 Oct 2015, La Grande Motte, France.

Published in ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. II-3/W5. ISSN 2194-9050.

© Author(s) 2015. This work is distributed under the Creative Commons Attribution 3.0 License.

Funding: COST Action TD1202 ‘Mapping and the Citizen Sensor’.


  • crowd-sourcing
  • citizen science
  • National Mapping Agency
  • volunteered ceographic information
  • data quality
  • VGI
  • NMA


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