Lu, Ni Y, Kun Zhang, and Changhe Yuan. “Improving Causal Discovery By Optimal Bayesian Network Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 10 (May 18, 2021): 8741–8748. Accessed May 9, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/17059.