Crowdsourcing, Citizen Science or Volunteered Geographic Information? The Current State of Crowdsourced Geographic Information.
Linda SeePeter MooneyGiles M. FoodyLucy BastinAlexis J. ComberJacinto EstimaSteffen FritzNorman KerleBin JiangMari LaaksoHai-Ying LiuGrega MilcinskiMatej NiksicMarco PainhoAndrea PodörAna-Maria Olteanu RaimondMartin RutzingerPublished in: ISPRS Int. J. Geo Inf. (2016)
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