Yuning Mao2 papers on this site (2020–2023)Llama Guard: LLM-based Input-Output Safeguard for Human-AI ConversationsHakan Inan, Kartikeya Upasani, Jianfeng Chi, et al.2023Generation-Augmented Retrieval for Open-domain Question AnsweringYuning Mao, Pengcheng He, Xiaodong Liu, et al.2020