ResearchBenchmarksUncertainty Quantification on PubMedQAFollow0.27Base ErrorOntoGraphRAG0.25650.263250.270.27675Jun 22, 2026Evaluation ResultsMethodMethodLinksBase ErrorSD-UQ AUCSEU AUCGPS-risk AUCBest Single ScoreCombined AUCCombined AURECOntoGraphRAGn=100n=1002026.060.270.6990.5940.50.6990.8130.096