@inproceedings{zhu-etal-2021-adaptive,
    title = "Adaptive Information Seeking for Open-Domain Question Answering",
    author = "Zhu, Yunchang  and
      Pang, Liang  and
      Lan, Yanyan  and
      Shen, Huawei  and
      Cheng, Xueqi",
    editor = "Moens, Marie-Francine  and
      Huang, Xuanjing  and
      Specia, Lucia  and
      Yih, Scott Wen-tau",
    booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2021",
    address = "Online and Punta Cana, Dominican Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2021.emnlp-main.293/",
    doi = "10.18653/v1/2021.emnlp-main.293",
    pages = "3615--3626"
}