Table 12.
Comparison of F1-scores to other negation scope length determination approaches for German clinical texts.
| Gros and Stede | Our approach | |
|---|---|---|
| Data set | cardiology report | discharge letters |
| Exact | 0.54 | 0.91 |
| Too narrow | 0.34 | 0.01 |
| Too wide | 0.12 | 0.08 |
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