@inproceedings{liang2026adaptive, title={{Adaptive Helpfulness–Harmlessness Alignment with Preference Vectors }}, author={Ren-Wei Liang and Chin Ting Hsu and Chan-Hung Yu and Saransh Agrawal and Shih-Cheng Huang and Chieh-Yen Lin and Shang-Tse Chen and Kuan-Hao Huang and Shao-Hua Sun}, booktitle={Conference of the European Chapter of the Association for Computational Linguistics}, year={2026}, }