@Book{IWPT:2011,
  editor    = {Harry Bunt  and  Joakim Nivre  and  Özlem Çetinoğlu},
  title     = {Proceedings of the 12th International Conference on Parsing Technologies},
  month     = {October},
  year      = {2011},
  address   = {Dublin, Ireland},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W11-29}
}