@inproceedings{yoon-etal-2025-hypothetical,
    title = "Hypothetical Documents or Knowledge Leakage? Rethinking {LLM}-based Query Expansion",
    author = "Yoon, Yejun  and
      Jung, Jaeyoon  and
      Yoon, Seunghyun  and
      Park, Kunwoo",
    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.980/",
    pages = "19170--19187",
    ISBN = "979-8-89176-256-5"
}