Table 4 Constituency features used in identifying causal relations.
From: Semi-supervised learning of causal relations in biomedical scientific discourse
ID | Short description | T | AP | AS | AR |
|---|---|---|---|---|---|
C1 | c-commands(token, SBAR) | ✓ | ✓ | ||
C2 | c-commands(token, VP) | ✓ | ✓ | ||
C3 | c-commands(token, NP) | ✓ | ✓ | ||
C4 | S-commands(token, SBAR) | ✓ | ✓ | ||
C5 | S-commands(token, VP) | ✓ | ✓ | ||
C6 | S-commands(token, NP) | ✓ | ✓ | ||
C7 | VP-commands(token, SBAR) | ✓ | ✓ | ||
C8 | VP-commands(token, VP) | ✓ | ✓ | ||
C9 | VP-commands(token, NP) | ✓ | ✓ |