@inproceedings{chauhan-etal-2026-supervised, title = "When Do Supervised {UQ} Ensembles Improve {LLM} Hallucination Detection? A Robustness Study", author = "Chauhan, Mohit Singh and Gyanchandani, Vipin and Bouchard, Dylan", editor = "Zhang, Yue and Xu, Ruifeng and Purwarianti, Ayu and Rong, Tong and Suzuki, Jun", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {IJCNLP}-{AACL} 2026", month = nov, year = "2026", address = "Hengqin, China", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-aacl.159/", pages = "3169--3190", ISBN = "979-8-89176-444-6" }