Huang, Biwei, Kun Zhang, Mingming Gong, and Clark Glymour. “Causal Discovery from Multiple Data Sets With Non-Identical Variable Sets”. Proceedings of the AAAI Conference on Artificial Intelligence 34, no. 06 (April 3, 2020): 10153–10161. Accessed May 30, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/6575.