Figueroa, Alejandro, and Guenter Neumann. “Learning to Rank Effective Paraphrases from Query Logs for Community Question Answering”. Proceedings of the AAAI Conference on Artificial Intelligence 27, no. 1 (June 29, 2013): 1099-1105. Accessed May 5, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/8453.