Metric: EM (higher is better)
| # | Model↕ | EM▼ | Extra Data | Paper | Date↕ | Code |
|---|---|---|---|---|---|---|
| 1 | DensePhrases | 71.9 | No | Learning Dense Representations of Phrases at Scale | 2020-12-23 | Code |
| 2 | FiE | 58.4 | No | 0.8% Nyquist computational ghost imaging via non... | 2021-08-17 | - |
| 3 | R2-D2 \w HN-DPR | 55.9 | No | R2-D2: A Modular Baseline for Open-Domain Questi... | 2021-09-08 | Code |
| 4 | UniK-QA | 54.9 | No | UniK-QA: Unified Representations of Structured a... | 2020-12-29 | Code |
| 5 | UnitedQA (Hybrid) | 54.7 | No | UnitedQA: A Hybrid Approach for Open Domain Ques... | 2021-01-01 | - |
| 6 | BPR (linear scan; l=1000) | 41.6 | No | Efficient Passage Retrieval with Hashing for Ope... | 2021-06-02 | Code |