@inproceedings{he-etal-2025-mmboundary,
    title = "{MMB}oundary: Advancing {MLLM} Knowledge Boundary Awareness through Reasoning Step Confidence Calibration",
    author = "He, Zhitao  and
      Polisetty, Sandeep  and
      Fan, Zhiyuan  and
      Huang, Yuchen  and
      Wu, Shujin  and
      Fung, Yi R.",
    editor = "Che, Wanxiang  and
      Nabende, Joyce  and
      Shutova, Ekaterina  and
      Pilehvar, Mohammad Taher",
    booktitle = "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2025",
    address = "Vienna, Austria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/acl25-workshop-ingestion/2025.acl-long.802/",
    pages = "16427--16444",
    ISBN = "979-8-89176-251-0"
}