@inproceedings{zhang-krieger-2011-large,
    title = "Large-Scale Corpus-Driven {PCFG} Approximation of an {HPSG}",
    author = "Zhang, Yi  and
      Krieger, Hans-Ulrich",
    editor = {Bunt, Harry  and
      Nivre, Joakim  and
      {\c{C}}etinoglu, {\"O}zlem},
    booktitle = "Proceedings of the 12th International Conference on Parsing Technologies",
    month = oct,
    year = "2011",
    address = "Dublin, Ireland",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W11-2923/",
    pages = "198--208"
}