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Multi-hop Question Answering on Multi-hop QA Suite (HotpotQA, 2Wiki, MuSiQue, G-Medical, G-Novel)

59.25Average ScoreMemGraphRAG
14.592426.186237.7849.3738May 30, 2026

Evaluation results

MethodLinks
MemGraphRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0559.25—
LinearRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0557.152.1
HippoRAG2Retrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0555.793.46
GFM-RAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0555.273.98
LogicRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0552.616.64
HippoRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0550.988.27
E^2GraphRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0549.579.68
RetrievalRetrieval Strategy=Vanilla Retrieval-Augmented-Generation, Top-k Retrieval=52026.0547.9711.28
LightRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0547.811.45
RAPTORRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0546.1313.12
RetrievalRetrieval Strategy=Vanilla Retrieval-Augmented-Generation, Top-k Retrieval=32026.0544.8714.38
KGPRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0544.614.65
LazyGraphRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0541.9617.29
MS-GraphRAGRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0541.4317.82
RetrievalRetrieval Strategy=Vanilla Retrieval-Augmented-Generation, Top-k Retrieval=12026.0538.7320.52
G-retrieverRetrieval Strategy=Graph-based Retrieval-Augmented-Generation2026.0536.9322.32
GPT-4o-miniRetrieval Strategy=Direct Zero-shot LLM Inference2026.0530.9928.26
GPT-3.5-TurboRetrieval Strategy=Direct Zero-shot LLM Inference2026.0530.1529.1
Llama3-8BRetrieval Strategy=Direct Zero-shot LLM Inference2026.0520.5938.66
Llama3-13BRetrieval Strategy=Direct Zero-shot LLM Inference2026.0516.3142.94