@inproceedings{fan-etal-2023-r2h,
    title = "{R}2{H}: Building Multimodal Navigation Helpers that Respond to Help Requests",
    author = "Fan, Yue  and
      Gu, Jing  and
      Zheng, Kaizhi  and
      Wang, Xin",
    editor = "Bouamor, Houda  and
      Pino, Juan  and
      Bali, Kalika",
    booktitle = "Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing",
    month = dec,
    year = "2023",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2023.emnlp-main.915/",
    doi = "10.18653/v1/2023.emnlp-main.915",
    pages = "14803--14819"
}