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Correlation of faithfulness metrics to extractive density of summaries. Correlations computed on the test set of the PRIMERA models after fine-tuning.
| Metric | Clinical | Chemical | Biomedical |
|---|---|---|---|
| FactScore | .78 | .42 | .42 |
| BARTScore | .35 | .16 | .45 |
| BERTScore-Src | .52 | .47 | .60 |
