@InProceedings{seeker-EtAl:2010:ACL,
  author    = {Seeker, Wolfgang  and  Rehbein, Ines  and  Kuhn, Jonas  and  Van Genabith, Josef},
  title     = {Hard Constraints for Grammatical Function Labelling},
  booktitle = {Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {1087--1097},
  url       = {http://www.aclweb.org/anthology/P10-1111}
}