@inproceedings{hossain-etal-2026-nexus, title = "{NEXUS}: Structured Runtime Safety for Tool-Using {LLM} Agent", author = "Hossain, Elias and Nipu, Md Mehedi Hasan and Ornee, Tasfia Nuzhat and Rana, Rajib and Yousefi, Niloofar", 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.112/", pages = "2203--2232", ISBN = "979-8-89176-444-6" }