Bradley-Terry and Multi-Objective Reward Modeling Are Complementary - Zhang, Zhiwei; Liu, Hui; Li, Xiaomin; Dai, Zhenwei; Zeng, Jingying; Wang, Fali; Lin, Minhua; Chandradevan, Ramraj; Wu, Linlin; Li, Zhen; Luo, Chen; Wu, Zongyu; et al. (International Conference on Learning Representations, 2026)