Table 2 Syntactic features used in identifying causal relations.
From: Semi-supervised learning of causal relations in biomedical scientific discourse
ID | Short description | T | AP | AS | AR |
|---|---|---|---|---|---|
X1 | partOfSpeech(token) | ✓ | ✓ | ||
X2 | syntCat(token) | ✓ | ✓ | ||
X3 | partOfSpeech(L3) | ✓ | ✓ | ||
X4 | syntCat(L3) | ✓ | ✓ | ||
X5 | syntCatPathFromRoot(token) | ✓ | |||
X6 | syntCatCollapsedPathFromRoot(token) | ✓ | |||
X7 | syntCatPositionPathFromRoot(token) | ✓ | |||
X8 | ancestor (token,[1..3]) | ✓ | |||
X9 | lowestCommonAncestor (token,neighbourOf (token,left,1)) | ✓ | |||
X10 | distanceBetween(token, X9) | ✓ | |||
X11 | posString (trigger) | ✓ | ✓ | ||
X12 | syntCatString (trigger) | ✓ | ✓ | ||
X13 | posStringDupl (trigger) | ✓ | ✓ | ||
X14 | syntCatStringDupl (sent) | ✓ | ✓ | ||
X15 | containsMainVerb(trigger) | ✓ | ✓ | ||
X16 | mainVerb(sent) | ✓ | |||
X17 | voiceOfVerb(trigger) | ✓ |