@inproceedings{tang-etal-2018-learning,
    title = "Learning to Collaborate for Question Answering and Asking",
    author = "Tang, Duyu  and
      Duan, Nan  and
      Yan, Zhao  and
      Zhang, Zhirui  and
      Sun, Yibo  and
      Liu, Shujie  and
      Lv, Yuanhua  and
      Zhou, Ming",
    editor = "Walker, Marilyn  and
      Ji, Heng  and
      Stent, Amanda",
    booktitle = "Proceedings of the 2018 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long Papers)",
    month = jun,
    year = "2018",
    address = "New Orleans, Louisiana",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/N18-1141/",
    doi = "10.18653/v1/N18-1141",
    pages = "1564--1574"
}