Zhang, Rui, Rui Xin, Margo Seltzer, and Cynthia Rudin. “Optimal Sparse Regression Trees”. Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 9 (June 26, 2023): 11270–11279. Accessed May 7, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/26334.