@inproceedings{feng-etal-2022-uln,
    title = "{ULN}: Towards Underspecified Vision-and-Language Navigation",
    author = "Feng, Weixi  and
      Fu, Tsu-Jui  and
      Lu, Yujie  and
      Wang, William Yang",
    editor = "Goldberg, Yoav  and
      Kozareva, Zornitsa  and
      Zhang, Yue",
    booktitle = "Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing",
    month = dec,
    year = "2022",
    address = "Abu Dhabi, United Arab Emirates",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2022.emnlp-main.429/",
    doi = "10.18653/v1/2022.emnlp-main.429",
    pages = "6394--6412"
}