Multi-hop QA Retrieval on HotpotQA
78.8Precision@5 (%)GraphER-GCS
Evaluation results
| Method | Links | |||
|---|---|---|---|---|
| GraphER-GCSRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-GCS2026.03 | 78.8 | 88.7 | — | |
| Llama-Embed-Nemotron-8B+BM25Retriever=Llama-Embed-Nemotron-8B+BM252026.03 | 78.5 | 88.2 | 84.2 | |
| GraphER-GATRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-GAT2026.03 | 78 | 88.9 | 84.9 | |
| GraphER-GATRetriever=Cohere-Embed-V4+BM25 + GraphER-GAT2026.03 | 74.7 | 87 | 83.7 | |
| GraphER-GCSRetriever=Cohere-Embed-V4+BM25 + GraphER-GCS2026.03 | 74.4 | 86.4 | — | |
| Cohere-Embed-V4+BM25Retriever=Cohere-Embed-V4+BM252026.03 | 74.2 | 85.5 | 82.2 | |
| GraphER-PPRRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-PPR2026.03 | 72.9 | 84.5 | — | |
| GraphER-PPRRetriever=Cohere-Embed-V4+BM25 + GraphER-PPR2026.03 | 71.6 | 85.8 | — |