@inproceedings{yang-etal-2020-second,
    title = "Second-Order Unsupervised Neural Dependency Parsing",
    author = "Yang, Songlin  and
      Jiang, Yong  and
      Han, Wenjuan  and
      Tu, Kewei",
    editor = "Scott, Donia  and
      Bel, Nuria  and
      Zong, Chengqing",
    booktitle = "Proceedings of the 28th International Conference on Computational Linguistics",
    month = dec,
    year = "2020",
    address = "Barcelona, Spain (Online)",
    publisher = "International Committee on Computational Linguistics",
    url = "https://aclanthology.org/2020.coling-main.347/",
    doi = "10.18653/v1/2020.coling-main.347",
    pages = "3911--3924"
}