Qian, S., Liu, B., Sun, C., Xie, P., Xu, Z. and Wang, B. 2026. CR³: Boosting Compositional Reasoning in MLLMs Through Rule-Based Reinforcement Learning. Proceedings of the AAAI Conference on Artificial Intelligence. 40, 29 (Mar. 2026), 24927-24935. DOI:https://doi.org/10.1609/aaai.v40i29.39680.