Luciano Gamberini Francesco Martino Fabiola Scarpetta Andrea Spoto Anna Spagnolli Unveiling the Structure: Effects of Social Feedback on Communication Activity in Online Multiplayer Videogames. 334-341 2007 conf/hci/2007-15 HCI (15) http://dx.doi.org/10.1007/978-3-540-73257-0_37 db/conf/hci/hci2007-15.html#GamberiniMSSS07