Huang, Helong, Min Cen, Kai Tan, Xingyue Quan, Guowei Huang, and Hong Zhang. “GraphCoT-VLA: A 3D Spatial-Aware Reasoning Vision-Language-Action Model for Robotic Manipulation With Ambiguous Instructions”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 22 (March 14, 2026): 18324–18332. Accessed May 17, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/38896.