RHO: Reducing Hallucination in Open-domain Dialogues with Knowledge Grounding Ziwei Ji author Zihan Liu author Nayeon Lee author Tiezheng Yu author Bryan Wilie author Min Zeng author Pascale Fung author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication ji-etal-2023-rho 10.18653/v1/2023.findings-acl.275 https://aclanthology.org/2023.findings-acl.275/ 2023-07 4504 4522