He, Shizhu, Kang Liu, and Weiting An. “Learning to Align Question and Answer Utterances in Customer Service Conversation With Recurrent Pointer Networks”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 134-141. Accessed April 23, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/3778.