332996document109849Recent advances in Volunteered Geographic Information VGI and citizen sensing.pdfapplication/pdf50dde8cd8b4b7c5d762b355324183416MD512029432025-05-21 07:02:11https://pure.iiasa.ac.at/id/eprint/20599/1/Recent%20advances%20in%20Volunteered%20Geographic%20Information%20%20VGI%20%20and%20citizen%20sensing.pdf