Ferreira, Simon, and Charles K. Assaad. “Identifiability of Direct Effects from Summary Causal Graphs”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 18 (March 24, 2024): 20387–20394. Accessed May 26, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/30021.