ResearchBenchmarksMemory Retrieval on MemoryQuestMemory Retrieval on MemoryQuestFollow72.3RecallPGR-TOT13.74828.94944.1559.351May 13, 2026Evaluation resultsMethodMethodLinksRecallExact RecallWin Rate (LLM)Win Rate (Humans)PGR-TOTReasoning strategy=Tre...Reasoning strategy=Tree-of-Thought2026.0572.332.6——Mem02026.0525.61.594.795TaciTree2026.0523.52.494.375GraphRAG2026.05160.396.690