# Restoration-200k Dialog Response Selection Corpus

|           | Train | Validation | Test    | Ranking Test |
| --------- | ----- | ---------- | ------- | ------------ |
| size      | 0.4M  | 50K        | 5K      | 800          |
| pos:neg   | 1:1   | 1:9        | 1.2:8.8 | -            |
| avg turns | 5.0   | 5.0        | 5.0     | 5.0          |

ranking test set contains the high-quality responses that selected by some baselines, and their correlation with the conversation context are carefully annotated by 8 professional annotators (the average annotation scores are saved for ranking). For ranking test set, the metrics should be NDCG@3 and NDCG@5, since the correlation scores are provided. More details are available in the Appendix of the paper.
