PVGRU: Generating Diverse and Relevant Dialogue Responses via Pseudo-Variational Mechanism Yongkang Liu author Shi Feng author Daling Wang author Yifei Zhang author Hinrich Schütze author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication liu-etal-2023-pvgru 10.18653/v1/2023.acl-long.185 https://aclanthology.org/2023.acl-long.185/ 2023-07 3295 3310