Table 5 Evaluation of gene expression event extraction using different combinations of filters.
From: Simple tricks for improving pattern-based information extraction from the biomedical literature
Filter | Precision | Recall | F1 |
|---|---|---|---|
No filter | 24.7 | 49.2 | 32.9 |
Trigger Word | 39.7 | 48.0 | 43.5 |
Pattern Length (exactly 4 token) | 51.0 | 29.8 | 37.6 |
Pattern lengths (≤ 4 token) | 56.2 | 43.5 | 49.0 |
Pattern Performance (top 50 pattern) | 50.0 | 48.3 | 49.0 |
Trigger Word + Pattern Length | 65.6 | 39.3 | 49.2 |
Trigger Word + Pattern Performance | 77.4 | 46.3 | 58.0 |