Benno Stein Efstathios Stamatatos Moshe Koppel Proceedings of the ECAI'08 Workshop on Uncovering Plagiarism, Authorship and Social Software Misuse, Patras, Greece, July 22, 2008 PAN CEUR-WS.org CEUR Workshop Proceedings 377 2008 db/conf/ecai/pan2008.html