Table 1. Number of annotations before and after pre-annotation.
| Annotation Type | Original | With pre-annotations |
|---|---|---|
| drug | 4621 | 13144 |
| drug_class | 2808 | 5635 |
| substance | 153 | 589 |
| mention | 262 | 198 |
| coreference | 431 | 352 |
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