@inproceedings{xiao-etal-2021-open,
    title = "Open-Domain Question Answering with Pre-Constructed Question Spaces",
    author = "Xiao, Jinfeng  and
      Wang, Lidan  and
      Dernoncourt, Franck  and
      Bui, Trung  and
      Sun, Tong  and
      Han, Jiawei",
    editor = "Durmus, Esin  and
      Gupta, Vivek  and
      Liu, Nelson  and
      Peng, Nanyun  and
      Su, Yu",
    booktitle = "Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Student Research Workshop",
    month = jun,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.naacl-srw.9/",
    doi = "10.18653/v1/2021.naacl-srw.9",
    pages = "61--67"
}