@inproceedings{triantafyllopoulos-etal-2026-knowing,
    title = "Knowing When Not to Answer: Lightweight {KB}-Aligned {OOD} Detection for Safe {RAG}",
    author = "Triantafyllopoulos, Ilias  and
      Qu, Renyi  and
      Giorgi, Salvatore  and
      Curtis, Brenda  and
      Ungar, Lyle  and
      Sedoc, Jo{\~a}o",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.acl-long.740/",
    doi = "10.18653/v1/2026.acl-long.740",
    pages = "16266--16301",
    ISBN = "979-8-89176-390-6",
}