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