@InProceedings{agirre-EtAl:2011:ACL-HLT2011,
  author    = {Agirre, Eneko  and  Bengoetxea, Kepa  and  Gojenola, Koldo  and  Nivre, Joakim},
  title     = {Improving Dependency Parsing with Semantic Classes},
  booktitle = {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},
  pages     = {699--703},
  url       = {http://www.aclweb.org/anthology/P11-2123}
}