@Book{ACL-HLT2011:2011,
  editor    = {Lin, Dekang  and  Roark, Brian  and  Matsumoto, Yuji  and  Mihalcea, Rada  and  Zhou, Guodong},
  title     = {Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/P11-1}
}