@inproceedings{zhou-etal-2026-lexagenthallu, title = "{L}ex{A}gent{H}allu: A Hierarchical Benchmark for Profiling Hallucinations in Legal Agents", author = "Zhou, Yujin and Zheng, Mingxuan and Cao, Chuxue and Yidan, Huang and Chen, Jiale and Guo, Yike and Han, Sirui", 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.2121/", pages = "48241--48269", ISBN = "979-8-89176-459-0" }