@inproceedings{regneri-etal-2026-compact, title = "Compact Language, Complex Model Shifts: How and Where Ambiguity and Underspecification Affect {LLM}s", author = {Regneri, Michaela and Scheller, Nina and Laue, S{\"o}ren}, editor = "Arad, Dana and Belinkov, Yonatan and Chen, Hanjie and Feldhus, Nils and Mueller, Aaron and Mohebbi, Hosein and Sarti, Gabriele and Tutek, Martin", booktitle = "Proceedings of the 9th {B}lackbox{NLP} Workshop: Analyzing and Interpreting Neural Networks for {NLP}", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.blackboxnlp-1.5/", pages = "58--75", ISBN = "979-8-89176-476-7" }