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Jang You Park, Dong June Ryu, Kwang Woo Nam, Insung Jang, Minseok Jang and Yonsik Lee
Density-based clustering algorithms have been the most commonly used algorithms for discovering regions and points of interest in cities using global positioning system (GPS) information in geo-tagged photos. However, users sometimes find more specific a...
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Christoph Perger, Ellsworth LeDrew, Linda See and Steffen Fritz
Geo-Wiki is a crowdsourcing tool used to derive information, based on satellite imagery, to validate and enhance global land cover. Around 5000 users are registered, who contribute to different campaigns to collect data across various domains (e.g., agri...
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