Wu, Z., M. Galley, C. Brockett, Y. Zhang, X. Gao, C. Quirk, R. Koncel-Kedziorski, J. Gao, H. Hajishirzi, M. Ostendorf, and B. Dolan. “A Controllable Model of Grounded Response Generation”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 16, May 2021, pp. 14085-93, doi:10.1609/aaai.v35i16.17658.