Yifan Fan and  Xudong Luo and  Pingping Lin,  A Survey of Response Generation of Dialogue Systems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2020, vol. 168(12). 461 - 472
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011629.