Lu, Yantao, Shiqi Sun, Ning Liu, Bo Jiang, Ying Zhang, Jinchao Chen, and Chenglie Du. “STEP-Nav: Spatial-Temporal Efficient Visual Token Pruning for Vision-and-Language Navigation With Large Language Models”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 29 (March 14, 2026): 24097-24105. Accessed May 4, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/39588.