图数据（包括知识图谱）对大语言模型的优化也有帮助。
RHO ($\rho$): Reducing Hallucination in Open-domain Dialogues with Knowledge Grounding
( Citation: Ji, Liu & al., 2023 Ji, Z., Liu, Z., Lee, N., Yu, T., Wilie, B., Zeng, M. & Fung, P. (2023). RHO ($\rho$): Reducing Hallucination in Open-domain Dialogues with Knowledge Grounding. https://doi.org/10.48550/arXiv.2212.01588 ) 研究了用知识图谱缓解大语言模型的“幻觉”问题。