Crowdsourcing Geographic Knowledge Volum
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Sui, Daniel; Elwood, Sarah; Goodchild, Michael
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Article
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2012
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Springer Netherlands
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Dutch
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The phenomenon of volunteered geographic information is part of a profound transformation in how geographic data, information, and knowledge are produced and circulated. By situating volunteered geographic information (VGI) in the context of big-data deluge and the data-intensive inquiry, the 20 cha