@inproceedings{gao-etal-2021-answering,
    title = "Answering Ambiguous Questions through Generative Evidence Fusion and Round-Trip Prediction",
    author = "Gao, Yifan  and
      Zhu, Henghui  and
      Ng, Patrick  and
      Nogueira dos Santos, Cicero  and
      Wang, Zhiguo  and
      Nan, Feng  and
      Zhang, Dejiao  and
      Nallapati, Ramesh  and
      Arnold, Andrew O.  and
      Xiang, Bing",
    editor = "Zong, Chengqing  and
      Xia, Fei  and
      Li, Wenjie  and
      Navigli, Roberto",
    booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)",
    month = aug,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.acl-long.253/",
    doi = "10.18653/v1/2021.acl-long.253",
    pages = "3263--3276"
}