Luo, Simon, and Mahito Sugiyama. “Bias-Variance Trade-Off in Hierarchical Probabilistic Models Using Higher-Order Feature Interactions”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 4488-4495. Accessed April 15, 2021. https://ojs.aaai.org/index.php/AAAI/article/view/4362.