@inproceedings{li-etal-2019-understanding-improving,
    title = "{U}nderstanding and {I}mproving {H}idden {R}epresentations for {N}eural {M}achine {T}ranslation",
    author = "Li, Guanlin  and
      Liu, Lemao  and
      Li, Xintong  and
      Zhu, Conghui  and
      Zhao, Tiejun  and
      Shi, Shuming",
    editor = "Burstein, Jill  and
      Doran, Christy  and
      Solorio, Thamar",
    booktitle = "Proceedings of the 2019 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers)",
    month = jun,
    year = "2019",
    address = "Minneapolis, Minnesota",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/N19-1046/",
    doi = "10.18653/v1/N19-1046",
    pages = "466--477"
}