@inproceedings{zhou-zhao-2019-head,
    title = "{H}ead-{D}riven {P}hrase {S}tructure {G}rammar Parsing on {P}enn {T}reebank",
    author = "Zhou, Junru  and
      Zhao, Hai",
    editor = "Korhonen, Anna  and
      Traum, David  and
      M{\`a}rquez, Llu{\'i}s",
    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P19-1230/",
    doi = "10.18653/v1/P19-1230",
    pages = "2396--2408"
}