Table 7 Performance of the ensemble system on the training material.
From: Recognition of chemical entities: combining dictionary-based and grammar-based approaches
| Â | CDI task | CEM task | ||||
|---|---|---|---|---|---|---|
Ensemble system | Precision | Recall | F-score | Precision | Recall | F-score |
ChEBI, HMDB, LeadMine, and RegEx | 70.1 | 63.7 | 66.7 | 70.9 | 62.8 | 66.6 |
+ Missed terms added to dictionary | 73.4 | 91.0 | 81.3 | 73.8 | 89.4 | 80.9 |
+ False-positive terms added to stop-word list | 87.6 | 89.4 | 88.5 | 86.4 | 87.6 | 87.0 |
+ Removal of overlapping terms | 91.8 | 89.1 | 90.9 | 91.8 | 87.4 | 89.5 |