Wang, G. et al. 2026. U2B: Scale-unbiased Representation Converter for Graph Classification with Imbalanced and Balanced Scale Distributions. Proceedings of the AAAI Conference on Artificial Intelligence. 40, 31 (Mar. 2026), 26169–26177. DOI:https://doi.org/10.1609/aaai.v40i31.39820.