@inproceedings{tan-etal-2025-uaqfact,
    title = "{UAQF}act: Evaluating Factual Knowledge Utilization of {LLM}s on Unanswerable Questions",
    author = "Tan, Chuanyuan  and
      Shao, Wenbiao  and
      Xiong, Hao  and
      Zhu, Tong  and
      Liu, Zhenhua  and
      Shi, Kai  and
      Chen, Wenliang",
    editor = "Che, Wanxiang  and
      Nabende, Joyce  and
      Shutova, Ekaterina  and
      Pilehvar, Mohammad Taher",
    booktitle = "Findings of the Association for Computational Linguistics: ACL 2025",
    month = jul,
    year = "2025",
    address = "Vienna, Austria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/landing_page/2025.findings-acl.85/",
    pages = "1700--1715",
    ISBN = "979-8-89176-256-5"
}