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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/75462 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/75462 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/75462 archive 5 disk0/00/01/42/53 2017-01-16 14:38:00 2021-08-27 17:28:25 2017-01-16 14:38:00 article show Fonte C. C. Bastin L. Foody G. Kellenberger T. Kerle N. Mooney P. Olteanu-Raimond A.-M. See L. 8571 0000-0002-2665-7065 pub prog_esm 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. 2015-08-20 published ISPRS 10.5194/isprsannals-II-3-W5-317-2015 276 public ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-3/W 317-324 TRUE 2194-9050 FALSE info:eu-repo/semantics/article