Lilian Weng, Rossano Schifanella, Filippo Menczer. The chain model for social tagging game design. In Marc Cavazza, Katherine Isbister, Charles Rich, editors, Foundations of Digital Games, FDG'11, Bordeaux, France, June 28 - July 1, 2011. pages 295-297, ACM, 2011. [doi]
Abstract is missing.