Hage, Hicham, and Esma Aimeur. “Using Information Retrieval to Detect Conflicting Questions”. Journal of e-Learning and Knowledge Society 2, no. 1 (October 8, 2012). Accessed April 19, 2024. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/705.