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The performance of the hybrid system measured at each step. “CRF taggers” stands for combination of the two CRFs (one for quantitative types, and another for name types). Statistically significant performance improvement over previous step is marked with*.
| Precision | Recall | F1-measure | |
|---|---|---|---|
| CRF taggers | 93.22 | 87.16 | 90.09 |
| + rule tagger | 93.09 | 87.54 | 90.23* |
| + error correction | 93.55 | 87.75 | 90.56* |
| + global reconciliation | 93.39 | 88.23 | 90.74 |
