Zheng, Yinhe, Rongsheng Zhang, Minlie Huang, and Xiaoxi Mao. 2020. “A Pre-Training Based Personalized Dialogue Generation Model With Persona-Sparse Data”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (05):9693-9700. https://doi.org/10.1609/aaai.v34i05.6518.