@InProceedings{Ishikawa-EtAl:2010:PACLIC2010, author = {Naoki Ishikawa and Ryo Nishimura and Yasuhiko Watanabe and Masaki Murata and Yoshihiro Okada }, title = {Detection of Users Suspected of Pretending to Be Other Users in a Community Site by Using Messages Submitted to Non-Target Categories}, booktitle = {Proceedings of the 24th Pacific Asia Conference on Language, Information and Computation}, year = {2010}, month = {November}, address = {Tohoku University, Sendai, Japan}, publisher = {Institute of Digital Enhancement of Cognitive Processing, Waseda University}, pages = {637--644}, url = {http://www.aclweb.org/anthology/Y10-1073} }