Table 9.
Feature categories | Feature set | Fixed Pf | Fixed Pm | Optimized F1 | ||||
---|---|---|---|---|---|---|---|---|
Pf | Pm | Pf | Pm | Precision | Recall | F1 | ||
Words | words | 15% | 60% | 58% | 15% | 0.23 | 0.36 | 0.28 |
combined external | words + Manual classes + Brownclasses+ probability + skip-gram context | 15% | 55% | 54% | 15% | 0.25 | 0.42 | 0.31 |