@inproceedings{xiong-etal-2026-trojail, title = "{TROJ}ail: Trajectory-Level Optimization for Multi-Turn Large Language Model Jailbreaks with Process Rewards", author = "Xiong, Xiqiao and Li, Ouxiang and Liu, Zhuo and Li, Moxin and Shi, Wentao and Zhu, Fengbin and Wang, Qifan and Feng, Fuli", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.2220/", pages = "48086--48109", ISBN = "979-8-89176-390-6" }