@InProceedings{sogaard-wu:2009:IWPT09,
  author    = {S\o{}gaard, Anders  and  Wu, Dekai},
  title     = {Empirical lower bounds on translation unit error rate for the full class of inversion transduction grammars},
  booktitle = {Proceedings of the 11th International Conference on Parsing Technologies (IWPT'09)},
  month     = {October},
  year      = {2009},
  address   = {Paris, France},
  publisher = {Association for Computational Linguistics},
  pages     = {33--36},
  url       = {http://www.aclweb.org/anthology/W09-3805}
}