Clarisse Kagoyire, Rolf A. de By. Models for professional cyclic activities in VGI with a case in coffee farming. In Michael F. Goodchild, Dieter Pfoser, Daniel Z. Sui, editors, First ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information 2012, GEOCROWD 2012, Redondo Beach, CA, USA, November 6, 2012. pages 70-76, ACM, 2012. [doi]
Abstract is missing.