@inproceedings{ijcai2026p615, title = {BEACON: Budget-Efficient Discovery of Policy Violations in Large Language Models via Cognitive-Guided Monte Carlo Tree Search}, author = {Huang, Xinyi and Wang, Jie and Xiang, Pengrui and Wang, Yifan and Fu, Yu and Liu, Jinduo}, booktitle = {Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence, {IJCAI-26}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {Diego Calvanese}, pages = {5522--5530}, year = {2026}, month = {8}, note = {Main Track}, doi = {10.24963/ijcai.2026/615}, url = {https://doi.org/10.24963/ijcai.2026/615}, }