Xu, R., C. Tao, D. Jiang, X. Zhao, D. Zhao, and R. Yan. “Learning an Effective Context-Response Matching Model With Self-Supervised Tasks for Retrieval-Based Dialogues”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 16, May 2021, pp. 14158-66, doi:10.1609/aaai.v35i16.17666.