@inproceedings{ram-etal-2022-learning,
    title = "Learning to Retrieve Passages without Supervision",
    author = "Ram, Ori  and
      Shachaf, Gal  and
      Levy, Omer  and
      Berant, Jonathan  and
      Globerson, Amir",
    editor = "Carpuat, Marine  and
      de Marneffe, Marie-Catherine  and
      Meza Ruiz, Ivan Vladimir",
    booktitle = "Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jul,
    year = "2022",
    address = "Seattle, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2022.naacl-main.193/",
    doi = "10.18653/v1/2022.naacl-main.193",
    pages = "2687--2700"
}