Giovanni Luca Ciampaglia, Alberto Vancheri. Empirical Analysis of User Participation in Online Communities: the Case of Wikipedia. In William W. Cohen, Samuel Gosling, editors, Proceedings of the Fourth International Conference on Weblogs and Social Media, ICWSM 2010, Washington, DC, USA, May 23-26, 2010. The AAAI Press, 2010. [doi]