Verwer, Sicco, and Yingqian Zhang. “Learning Optimal Classification Trees Using a Binary Linear Program Formulation”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1625–1632. Accessed July 21, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/3978.