@inproceedings{zhang-etal-2012-machine,
    title = "A Machine Learning Approach to Convert {CCG}bank to {P}enn {T}reebank",
    author = "Zhang, Xiaotian  and
      Zhao, Hai  and
      Hui, Cong",
    editor = "Kay, Martin  and
      Boitet, Christian",
    booktitle = "Proceedings of {COLING} 2012: Demonstration Papers",
    month = dec,
    year = "2012",
    address = "Mumbai, India",
    publisher = "The COLING 2012 Organizing Committee",
    url = "https://preview.aclanthology.org/fix-sig-urls/C12-3067/",
    pages = "535--542"
}