Table 2 Precision, recall, and F1 score of the NER.
Category | Precision | Recall | F1 score | Test set | |
|---|---|---|---|---|---|
Alloy named entity | This work | 90.58% | 93.60% | 92.07% | 545 sentences |
BiLSTM-CRF | 51.99% | 36.53% | 42.91% | 545 sentences | |
ChemDataExtractor | 36.52% | 18.84% | 24.86% | 545 sentences | |
Property value (with unit) | 85.71% | 99.25% | 91.98% | 845 sentences | |
