Table 5 Evaluation of a rule-based text mining model to extract plant–chemical relationships using the corpus data
From: A corpus for plant-chemical relationships in the biomedical domain
Phase | Positives | Negatives | P (%) | R (%) | F (%) |
|---|---|---|---|---|---|
Phase 1 | 273 | 297 | 66.5 | 56.0 | 60.8 |
Phase 2 | 239 | 130 | 81.0 | 71.6 | 76.0 |
Overall | 512 | 427 | 73.5 | 63.3 | 68.0 |