@inproceedings{li-choi-2020-transformers,
    title = "Transformers to Learn Hierarchical Contexts in Multiparty Dialogue for Span-based Question Answering",
    author = "Li, Changmao  and
      Choi, Jinho D.",
    editor = "Jurafsky, Dan  and
      Chai, Joyce  and
      Schluter, Natalie  and
      Tetreault, Joel",
    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2020.acl-main.505/",
    doi = "10.18653/v1/2020.acl-main.505",
    pages = "5709--5714"
}