Tansu Alpcan Cengiz Örencik Albert Levi Erkay Savas A game theoretic model for digital identity and trust in online communities. 341-344 2010 ASIACCS http://doi.acm.org/10.1145/1755688.1755735 conf/ccs/2010asia db/conf/ccs/asiaccs2010.html#AlpcanOLS10