Table 6 Positional features used in identifying causal relations.
From: Semi-supervised learning of causal relations in biomedical scientific discourse
ID | Short description | T | AP | AS | AR |
|---|---|---|---|---|---|
P1 | indexInSent(token) | ✓ | ✓ | ✓ | ✓ |
P2 | percentageInSent(token) | ✓ | ✓ | ✓ | ✓ |
P3 | positionInSent(token) | ✓ | ✓ | ✓ | ✓ |
P4 | length(sentence(token)) | ✓ | ✓ | ✓ | ✓ |