@inproceedings{lavi-etal-2026-detecting,
    title = "Detecting (Un)answerability in Large Language Models with Linear Directions",
    author = "Lavi, Maor Juliet  and
      Milo, Tova  and
      Geva, Mor",
    editor = "Demberg, Vera  and
      Inui, Kentaro  and
      Marquez, Llu{\'i}s",
    booktitle = "Proceedings of the 19th Conference of the {E}uropean Chapter of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)",
    month = mar,
    year = "2026",
    address = "Rabat, Morocco",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-eacl/2026.eacl-long.29/",
    pages = "682--699",
    ISBN = "979-8-89176-380-7"
}