@inproceedings{abebe-moslem-2026-spancalib, title = "{S}pan{C}alib-{VLM}: Calibrated Hallucination Span Detection in Vision-Language Models", author = "Abebe, Amanuel Gizachew and Moslem, Yasmin", 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.59/", pages = "834--841", ISBN = "979-8-89176-486-6" }