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Volunteered Geographic Information: the nature and motivation of produsers.
David Coleman
Yola Georgiadou
Jeff Labonte
Published in:
Int. J. Spatial Data Infrastructures Res. (2009)
Keyphrases
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geographic information
spatial data
geographic data
geographic information retrieval
geographic locations
google earth
metadata
geographic information systems
geographic location
web documents
raw data
geo location
spatial information
database systems
knn
relational databases
web pages
machine learning