MetaBox: A Benchmark Platform for Meta-Black-Box Optimization with Reinforcement Learning - Ma, Zeyuan; Guo, Hongshu; Chen, Jiacheng; Li, Zhenrui; Peng, Guojun; Gong, Yue-Jiao; Ma, Yining; Cao, Zhiguang (Advances in Neural Information Processing Systems, 2023)