@inproceedings{kulshreshtha-etal-2021-back,
    title = "Back-Training excels Self-Training at Unsupervised Domain Adaptation of Question Generation and Passage Retrieval",
    author = "Kulshreshtha, Devang  and
      Belfer, Robert  and
      Serban, Iulian Vlad  and
      Reddy, Siva",
    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/jlcl-multiple-ingestion/2021.emnlp-main.566/",
    doi = "10.18653/v1/2021.emnlp-main.566",
    pages = "7064--7078"
}