@inproceedings{li-etal-2020-heads,
    title = "Heads-up! Unsupervised Constituency Parsing via Self-Attention Heads",
    author = "Li, Bowen  and
      Kim, Taeuk  and
      Amplayo, Reinald Kim  and
      Keller, Frank",
    editor = "Wong, Kam-Fai  and
      Knight, Kevin  and
      Wu, Hua",
    booktitle = "Proceedings of the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 10th International Joint Conference on Natural Language Processing",
    month = dec,
    year = "2020",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/2020.aacl-main.43/",
    doi = "10.18653/v1/2020.aacl-main.43",
    pages = "409--424"
}