@inproceedings{godin-etal-2019-learning,
    title = "Learning When Not to Answer: a Ternary Reward Structure for Reinforcement Learning Based Question Answering",
    author = "Godin, Fr{\'e}deric  and
      Kumar, Anjishnu  and
      Mittal, Arpit",
    editor = "Loukina, Anastassia  and
      Morales, Michelle  and
      Kumar, Rohit",
    booktitle = "Proceedings of the 2019 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 2 (Industry Papers)",
    month = jun,
    year = "2019",
    address = "Minneapolis, Minnesota",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/N19-2016/",
    doi = "10.18653/v1/N19-2016",
    pages = "122--129"
}