Table 3 Results by entity type for the best performed SSVMs and CRFs clinical entity recognition systems.
Algorithm | Category | Exact matching (%) | Inexact matching (%) | ||||
|---|---|---|---|---|---|---|---|
| Â | Â | Recall | Precision | F-measure | Recall | Precision | F-measure |
SSVMs | Overall | 84.31 | 87.38 | 85.82 | 91.78 | 93.03 | 92.40 |
| Â | Problem | 86.75 | 88.50 | 87.61 | 93.53 | 95.29 | 94.40 |
| Â | Treatment | 85.72 | 89.27 | 87.46 | 91.45 | 95.17 | 93.27 |
| Â | Test | 85.13 | 89.84 | 87.42 | 90.26 | 95.50 | 92.81 |
CRFs | Overall | 83.30 | 88.20 | 85.68 | 90.52 | 93.96 | 92.21 |
| Â | Problem | 85.73 | 89.02 | 87.34 | 92.46 | 96.12 | 94.25 |
| Â | Treatment | 84.14 | 89.88 | 86.92 | 89.99 | 96.03 | 92.92 |
| Â | Test | 84.07 | 90.74 | 87.28 | 88.94 | 95.96 | 92.32 |