@inproceedings{xia-etal-2026-calibration, title = "Calibration Is Not Enough: Evaluating Confidence Estimation Under Language Variations", author = "Xia, Yuxi and Ulmer, Dennis and Blevins, Terra and Liu, Yihong and Schuetze, Hinrich and Roth, Benjamin", editor = {Aziz, Wilker and Berant, Jonathan and Eikema, Bryan and Ilia, Evgenia and de Marneffe, Marie-Catherine and Plank, Barbara and Shelmanov, Artem and Swayamdipta, Swabha and Tiedemann, J{\"o}rg and Vazhentsev, Artem and V{\'a}zquez, Ra{\'u}l and Zerva, Chrysoula}, booktitle = "The Proceedings of the Third Workshop on Uncertainty-Aware {NLP}", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.uncertainlp-main.15/", pages = "245--274", ISBN = "979-8-89176-486-6" }