InternSpatial: A Comprehensive Dataset for Spatial Reasoning in Vision-Language Models - Deng, Nianchen; Gu, Lixin; Ye, Shenglong; He, Yinan; Chen, Zhe; Li, Songze; Wang, Haomin; Yin, Jinhui; Wei, Qi; Yang, Tianshuo; Dou, Min; He, Tong; et al. (International Conference on Learning Representations, 2026)