Crowdsourcing geographic knowledge : volunteered geographic information (VGI) in theory and practice /

Bibliographic Details

Other Authors:	Sui, Daniel Z. (Daniel Zhi), 1965-, Elwood, Sarah, Goodchild, Michael F.
Format:	Book
Language:	English
Published:	Dordrecht ; New York : Springer Science+Business, [2013]
Subjects:	Geographic information systems. Human computation. Data mining.