Riedl, Mark, and R. Young. “From Linear Story Generation to Branching Story Graphs”. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment 1, no. 1 (June 1, 2005): 111–116. Accessed May 20, 2026. https://ojs.aaai.org/index.php/AIIDE/article/view/18725.