@inproceedings{t-martins-etal-2008-stacking,
    title = "Stacking Dependency Parsers",
    author = "T. Martins, Andr{\'e} F.  and
      Das, Dipanjan  and
      Smith, Noah A.  and
      Xing, Eric P.",
    editor = "Lapata, Mirella  and
      Ng, Hwee Tou",
    booktitle = "Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2008",
    address = "Honolulu, Hawaii",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix___bootstrap-utility-classes/D08-1017/",
    pages = "157--166"
}