Jisho

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地理空間情報
Wikipedia definition
1. Volunteered geographic informationVolunteered geographic information (VGI) is the harnessing of tools to create, assemble, and disseminate geographic data provided voluntarily by individuals (Goodchild, 2007). Some examples of this phenomenon are Wikimapia, OpenStreetMap, and Google Map Maker. VGI can also be seen as an extension of critical and participatory approaches to geographic information systems and as a specific concern within online or web credibility.
Read “Volunteered geographic information” on English Wikipedia
Read “ボランタリーな地理空間情報” on Japanese Wikipedia
Read “Volunteered geographic information” on DBpedia

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