Think Thrice Before You Act: Progressive Thought Refinement in Large Language Models - Du, Chengyu; Han, Jinyi; Ying, Yizhou; Chen, Aili; He, Qianyu; Zhao, Haokun; Guo, Haoran; Xia, Sirui; Liang, Jiaqing; chen, zulong; Li, Liangyue; Xiao, Yanghua (International Conference on Learning Representations, 2025)