@inproceedings{arana-etal-2026-models,
    title = "When Models Hesitate: Answer Instability as a Label-Free Uncertainty Signal for {LLM}s",
    author = "Arana, Jasper Meynard  and
      Carandang, Kristine Ann M.  and
      Casin, Ethan Robert  and
      Alis, Christian  and
      Monterola, Christopher",
    editor = "T.Y.S.S., Santosh  and
      Rodriguez, Juan Diego  and
      de Gibert, Ona",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics ({ACL} 2026)",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.acl-srw.72/",
    pages = "816--826",
    ISBN = "979-8-89176-393-7"
}