@inproceedings{lee-etal-2026-hallucination, title = "The Hallucination Signal Is a Mean Shift: Why Simple Probes Suffice", author = "Lee, Jungseob and Seo, Jaehyung and Lim, Heuiseok", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.1626/", doi = "10.18653/2026.emnlp-main.1626", pages = "36986--37004", ISBN = "979-8-89176-459-0" }