Towards Fewer Hallucinations in Knowledge-Grounded Dialogue Generation via Augmentative and Contrastive Knowledge-Dialogue Bin Sun author Yitong Li author Fei Mi author Fanhu Bie author Yiwei Li author Kan Li author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication sun-etal-2023-towards 10.18653/v1/2023.acl-short.148 https://aclanthology.org/2023.acl-short.148/ 2023-07 1741 1750