@inproceedings{cohen-smith-2009-variational,
    title = "Variational Inference for Grammar Induction with Prior Knowledge",
    author = "Cohen, Shay  and
      Smith, Noah A.",
    editor = "Su, Keh-Yih  and
      Su, Jian  and
      Wiebe, Janyce  and
      Li, Haizhou",
    booktitle = "Proceedings of the {ACL}-{IJCNLP} 2009 Conference Short Papers",
    month = aug,
    year = "2009",
    address = "Suntec, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P09-2001/",
    pages = "1--4"
}