Table 4 Analysis of false negatives in the test dataset.
From: Exploring Spanish health social media for detecting drug effects
Error cause | False Negatives | Examples |
|---|---|---|
Long distance between pair entities | 254 | FN1 |
Syntactically Complex phrases | 76 | FN2 |
Simple phrases | 14 | FN3 |
Modifier needed for full understanding | 10 | FN4 |
Co-reference resolution required | 6 | FN5 |
Total | 414 |