Nature CommunicationsHyper-RAG: combating LLM hallucinations using hypergraph-driven retrieval-augmented generationYifan FengHao HuShihui YingXingliang HouShiquan LiuMingyuan YangJunchang LiShaoyi DuNanning ZhengHan HuYue Gao2026-04-27Full textDOI https://doi.org/10.1038/s41467-026-71411-1