TraceVLA: Visual Trace Prompting Enhances Spatial-Temporal Awareness for Generalist Robotic Policies - Zheng, Ruijie; Liang, Yongyuan; Huang, Shuaiyi; Gao, Jianfeng; Daumé III, Hal; Kolobov, Andrey; Huang, Furong; Yang, Jianwei (International Conference on Learning Representations, 2025)