Multi-hop QA Retrieval on 2WikiMultihopQA
45.7PR@5GraphER-PPR
Evaluation results
| Method | Links | |||
|---|---|---|---|---|
| GraphER-PPRRetriever=Cohere-Embed-V4+BM25 + GraphER-PPR2026.03 | 45.7 | 52.8 | — | |
| GraphER-GATRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-GAT2026.03 | 44.1 | 53 | 45.4 | |
| GraphER-GCSRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-GCS2026.03 | 43.8 | 51.1 | — | |
| GraphER-GATRetriever=Cohere-Embed-V4+BM25 + GraphER-GAT2026.03 | 43.8 | 50.7 | 44.9 | |
| GraphER-GCSRetriever=Cohere-Embed-V4+BM25 + GraphER-GCS2026.03 | 43.3 | 50.1 | — | |
| Llama-Embed-Nemotron-8B+BM25Retriever=Llama-Embed-Nemotron-8B+BM252026.03 | 42.6 | 49.4 | 43.1 | |
| GraphER-PPRRetriever=Llama-Embed-Nemotron-8B+BM25 + GraphER-PPR2026.03 | 42.1 | 49.6 | — | |
| Cohere-Embed-V4+BM25Retriever=Cohere-Embed-V4+BM252026.03 | 42 | 48.3 | 43.5 |