Table 6.
Comparison of different features and classifiers on test set
| Classifier for RDE features | Original features | F1 (exact) (%) | F1 (relaxed) (%) |
|---|---|---|---|
| Logistic | Sentence, words | 18.8 | 31.1 |
| Random Forest | Sentence, words | 19.3 | 32.6 |
| Logistic | Sentence, bigrams | 19.2 | 31 |
| Random Forest | Sentence, bigrams | 19.5 | 32.8 |
| Logistic | Sentence + Paragraph, words | 19.9 | 32.9 |
| Random Forest | Sentence + Paragraph, words | 19.4 | 32.4 |
| Logistic | Sentence + Paragraph, bigrams | 19.6 | 30.6 |
| Random Forest | Sentence + Paragraph, bigrams | 19.8 | 31.9 |