# Question Answering Retrieval on Natural Questions NQ320k

Source: [Question Answering Retrieval on Natural Questions NQ320k](<https://www.sota2.com/research/sota/question-answering-retrieval-on-natural-questions-nq320k>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-02-26T05:46:14.904Z

Evaluation of model performance on the Natural Questions NQ320k dataset specifically for the Question Answering Retrieval task, measured using Hit Rate (HR@K) and Mean Reciprocal Rank (MRR).

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Question Answering Retrieval |
| Dataset (including any stated split) | Natural Questions NQ320k |
| Metric | HR@1 |
| Unit | SCALAR |
| Direction | Higher is better |
| Results loaded | 13 of 13 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [HR@1](<https://www.sota2.com/research/sota/question-answering-retrieval-on-natural-questions-nq320k.md?metric=HR%401>): Higher is better; unit: SCALAR.

- [HR@10](<https://www.sota2.com/research/sota/question-answering-retrieval-on-natural-questions-nq320k.md?metric=HR%4010>): Higher is better; unit: SCALAR.

- [HR@100](<https://www.sota2.com/research/sota/question-answering-retrieval-on-natural-questions-nq320k.md?metric=HR%40100>): Higher is better; unit: SCALAR.

- [MRR](<https://www.sota2.com/research/sota/question-answering-retrieval-on-natural-questions-nq320k.md?metric=MRR>): Higher is better; unit: SCALAR.

## Recorded results

| Method | HR@1 | Result date | Report paper |
| --- | --- | --- | --- |
| MoL | 0.685 | Not recorded | 68fa76b91e209131cea6ebc1 |
| GenRet | 0.681 | Not recorded | 68fa76b91e209131cea6ebc1 |
| MoL abl. LMI | 0.673 | Not recorded | 68fa76b91e209131cea6ebc1 |
| NCI | 0.659 | Not recorded | 68fa76b91e209131cea6ebc1 |
| DSI+QG | 0.631 | Not recorded | 68fa76b91e209131cea6ebc1 |
| SEAL | 0.57 | Not recorded | 68fa76b91e209131cea6ebc1 |
| GTR-Base | 0.56 | Not recorded | 68fa76b91e209131cea6ebc1 |
| GENRE | 0.552 | Not recorded | 68fa76b91e209131cea6ebc1 |
| DSI | 0.552 | Not recorded | 68fa76b91e209131cea6ebc1 |
| Sentence-T5 | 0.536 | Not recorded | 68fa76b91e209131cea6ebc1 |
| DPR | 0.502 | Not recorded | 68fa76b91e209131cea6ebc1 |
| DocT5Query | 0.38 | Not recorded | 68fa76b91e209131cea6ebc1 |
| BM25 | 0.297 | Not recorded | 68fa76b91e209131cea6ebc1 |

### MoL

HR@1: 0.685. Result ID: 69944c283a6c3148491c55e0.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Implementation](<https://github.com/bailuding/rails>)

Recorded evaluation configuration: {"Retrieval Strategy":"Learned similarities","Backbone":"T5-base"}. This record does not assert independent reproduction.

### GenRet

HR@1: 0.681. Result ID: 69944c283a6c3148491c55df.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6f0c1e209131cea438c1.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### MoL abl. LMI

HR@1: 0.673. Result ID: 69944c283a6c3148491c55e1.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Implementation](<https://github.com/bailuding/rails>)

Recorded evaluation configuration: {"Retrieval Strategy":"Learned similarities","Backbone":"T5-base","Ablation":"Without load balancing loss (LMI)"}. This record does not assert independent reproduction.

### NCI

HR@1: 0.659. Result ID: 69944c283a6c3148491c55de.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6e901e209131cea40ace.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### DSI+QG

HR@1: 0.631. Result ID: 69944c283a6c3148491c55dd.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70041e209131cea4899d.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### SEAL

HR@1: 0.57. Result ID: 69944c283a6c3148491c55dc.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6c571e209131cea336b4.md>)

[Implementation](<https://github.com/facebookresearch/SEAL>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### GTR-Base

HR@1: 0.56. Result ID: 69944c283a6c3148491c55d9.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6b671e209131cea2e15a.md>)

[Implementation](<https://tfhub.dev/google/collections/gtr/1>)

Recorded evaluation configuration: {"Retrieval Strategy":"Dense retrieval"}. This record does not assert independent reproduction.

### GENRE

HR@1: 0.552. Result ID: 69944c283a6c3148491c55da.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa69911e209131cea22b4b.md>)

[Implementation](<https://github.com/facebookresearch/GENRE>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### DSI

HR@1: 0.552. Result ID: 69944c283a6c3148491c55db.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dbe1e209131cea3bc9d.md>)

[Implementation](<https://github.com/google-research/t5x>)

Recorded evaluation configuration: {"Retrieval Strategy":"Generative retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### Sentence-T5

HR@1: 0.536. Result ID: 69944c283a6c3148491c55d8.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6b6d1e209131cea2e4a5.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Dense retrieval","Backbone":"T5-base"}. This record does not assert independent reproduction.

### DPR

HR@1: 0.502. Result ID: 69944c283a6c3148491c55d7.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa686d1e209131cea1c190.md>)

[Implementation](<https://github.com/facebookresearch/DPR>)

Recorded evaluation configuration: {"Retrieval Strategy":"Dense retrieval"}. This record does not assert independent reproduction.

### DocT5Query

HR@1: 0.38. Result ID: 69944c283a6c3148491c55d6.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Sparse retrieval"}. This record does not assert independent reproduction.

### BM25

HR@1: 0.297. Result ID: 69944c283a6c3148491c55d5.

[Reporting paper](<https://www.sota2.com/research/paper/68fa76b91e209131cea6ebc1.md>)

Recorded evaluation configuration: {"Retrieval Strategy":"Sparse retrieval"}. This record does not assert independent reproduction.

Page 1 of 1. This is an index page, not the full collection.
