@inproceedings{seeker-etal-2012-data,
    title = "Data-driven Dependency Parsing With Empty Heads",
    author = "Seeker, Wolfgang  and
      Farkas, Rich{\'a}rd  and
      Bohnet, Bernd  and
      Schmid, Helmut  and
      Kuhn, Jonas",
    editor = "Kay, Martin  and
      Boitet, Christian",
    booktitle = "Proceedings of {COLING} 2012: Posters",
    month = dec,
    year = "2012",
    address = "Mumbai, India",
    publisher = "The COLING 2012 Organizing Committee",
    url = "https://preview.aclanthology.org/ingest_wac_2008/C12-2105/",
    pages = "1081--1090"
}