Retrieval on TREC DL22
42.5nDCG@50Query2Doc + ReformIR
Evaluation results
| Method | Links | ||||
|---|---|---|---|---|---|
| Query2Doc + ReformIR2026.05 | 42.5 | 24 | 41 | 32.5 | |
| QA-Expand + ReformIR2026.05 | 40.3 | 21.4 | 37.8 | 28.8 | |
| Query2Doc (QD)2026.05 | 38.7 | 22.9 | 36.6 | 30.6 | |
| QA-Expand + RRF [F]2026.05 | 36.1 | 19.1 | 34.2 | 25.4 | |
| GenQR + ReformIR2026.05 | 35.2 | 17 | 34 | 23.6 | |
| GEns + ReformIR2026.05 | 35.1 | 17.1 | 33.4 | 22.7 | |
| QA-Expand (Q)2026.05 | 34.9 | 18.6 | 34.5 | 26.5 | |
| GEns + PRF + ReformIR2026.05 | 31.7 | 14.2 | 32.2 | 21.3 | |
| GenQR (G)2026.05 | 29.2 | 13.6 | 28.8 | 19.3 | |
| GenQR + RRF [F]2026.05 | 29.1 | 13.7 | 29.4 | 19.4 | |
| BM25»MonoT5 [B]2026.05 | 29 | 11.5 | 27.5 | 16.4 | |
| GEns (GE)2026.05 | 28.9 | 13.5 | 28.8 | 18.9 | |
| BM25»MonoT5 + RM32026.05 | 28.7 | 11.5 | 27.5 | 16.1 | |
| GEns + RRF [F]2026.05 | 27.4 | 12.5 | 27.2 | 17.6 | |
| GEns + PRF [R]2026.05 | 25.1 | 10 | 24.8 | 14.5 |