@inproceedings{mou-etal-2021-complementary,
    title = "Complementary Evidence Identification in Open-Domain Question Answering",
    author = "Mou, Xiangyang  and
      Yu, Mo  and
      Chang, Shiyu  and
      Feng, Yufei  and
      Zhang, Li  and
      Su, Hui",
    editor = "Merlo, Paola  and
      Tiedemann, Jorg  and
      Tsarfaty, Reut",
    booktitle = "Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume",
    month = apr,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2021.eacl-main.234/",
    doi = "10.18653/v1/2021.eacl-main.234",
    pages = "2720--2726"
}