Wan, Hai, Heng Zhang, Peng Xiao, Haoran Huang, and Yan Zhang. “Query Answering With Inconsistent Existential Rules under Stable Model Semantics”. Proceedings of the AAAI Conference on Artificial Intelligence 30, no. 1 (February 21, 2016). Accessed May 22, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/10085.