@Book{Demos:2011,
  editor    = {Kurohashi, Sadao},
  title     = {Proceedings of the ACL-HLT 2011 System Demonstrations},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/P11-4}
}