Karl Rehrl, Simon Gröchenig, Hartwig H. Hochmair, Sven Leitinger, Renate Steinmann, Andreas Wagner. A Conceptual Model for Analyzing Contribution Patterns in the Context of VGI. In Jukka Matthias Krisp, editor, Progress in Location-Based Services. Lecture Notes in Geoinformation and Cartography, pages 373-388, Springer, 2013. [doi]
Abstract is missing.