use of edu.illinois.cs.cogcomp.edison.utilities.EdisonException in project cogcomp-nlp by CogComp.
the class POSWindowTwo method getFeatures.
@Override
public /**
* This feature extractor assumes that the TOKEN View, POS View have been
* generated in the Constituents TextAnnotation. It will use its own POS tag of the
* two context words before and after the constituent.
*
**/
Set<Feature> getFeatures(Constituent c) throws EdisonException {
TextAnnotation ta = c.getTextAnnotation();
View TOKENS = null, POS = null;
try {
TOKENS = ta.getView(ViewNames.TOKENS);
POS = ta.getView(ViewNames.POS);
} catch (Exception e) {
e.printStackTrace();
}
// We can assume that the constituent in this case is a Word(Token) described by the LBJ
// chunk definition
int startspan = c.getStartSpan();
int endspan = c.getEndSpan();
// All our constituents are words(tokens)
// words two before & after
int k = 2;
String[] tags = getwindowtagskfrom(TOKENS, POS, startspan, endspan, k);
String classifier = "POSWindowTwo";
String __id, __value;
Set<Feature> __result = new LinkedHashSet<Feature>();
for (int i = 0; i < tags.length; i++) {
if (tags[i] == null) {
continue;
} else {
__id = classifier + ":" + i;
__value = "(" + tags[i] + ")";
logger.info(__id + __value);
__result.add(new DiscreteFeature(__id + __value));
}
}
return __result;
}
use of edu.illinois.cs.cogcomp.edison.utilities.EdisonException in project cogcomp-nlp by CogComp.
the class PPFeatures method getFeatures.
@Override
public Set<Feature> getFeatures(Constituent c) throws EdisonException {
TextAnnotation ta = c.getTextAnnotation();
TreeView parse = (TreeView) ta.getView(parseViewName);
Set<Feature> feats = new HashSet<>();
try {
Constituent phrase = parse.getParsePhrase(c);
// if the phrase is a PP, then the head word of its
// rightmost NP child.
List<Relation> rels = phrase.getOutgoingRelations();
for (int i = rels.size() - 1; i >= 0; i--) {
Relation relation = rels.get(i);
if (relation == null)
continue;
Constituent target = relation.getTarget();
if (ParseTreeProperties.isNominal(target.getLabel())) {
int head = CollinsHeadFinder.getInstance().getHeadWordPosition(phrase);
feats.add(DiscreteFeature.create("np-head:" + ta.getToken(head).toLowerCase()));
feats.add(DiscreteFeature.create("np-head-pos:" + WordHelpers.getPOS(ta, head)));
break;
}
}
// if the phrase's parent is a PP, then the head of that PP.
Constituent parent = phrase.getIncomingRelations().get(0).getSource();
if (parent.getLabel().equals("PP")) {
int head = CollinsHeadFinder.getInstance().getHeadWordPosition(phrase);
feats.add(DiscreteFeature.create("p-head:" + ta.getToken(head).toLowerCase()));
}
} catch (EdisonException e) {
throw new RuntimeException(e);
} catch (Exception e) {
e.printStackTrace();
}
return feats;
}
use of edu.illinois.cs.cogcomp.edison.utilities.EdisonException in project cogcomp-nlp by CogComp.
the class ProjectedPath method getFeatures.
@Override
public Set<Feature> getFeatures(Constituent c) throws EdisonException {
TextAnnotation ta = c.getTextAnnotation();
TreeView parse = (TreeView) ta.getView(parseViewName);
Set<Feature> feats = new HashSet<>();
// Clone this to avoid concurrency problems
Constituent c2 = null;
try {
c2 = parse.getParsePhrase(c).cloneForNewView("");
} catch (Exception e) {
e.printStackTrace();
}
assert c2 != null;
if (!c2.getLabel().equals("VP"))
return feats;
boolean found = false;
boolean done = false;
while (!done) {
List<Relation> rels = c2.getIncomingRelations();
if (rels.size() == 0)
done = true;
else {
Constituent parent = rels.get(0).getSource();
if (parent.getLabel().equals("VP")) {
found = true;
c2 = parent;
} else {
done = true;
}
}
}
if (found) {
// Clone this to avoid concurrency problems
Constituent c1 = null;
try {
c1 = parse.getParsePhrase(c.getIncomingRelations().get(0).getSource()).cloneForNewView("");
} catch (Exception e) {
e.printStackTrace();
}
assert c1 != null;
String path = PathFeatureHelper.getFullParsePathString(c1, c2, 400);
feats.add(DiscreteFeature.create(path));
}
return feats;
}
use of edu.illinois.cs.cogcomp.edison.utilities.EdisonException in project cogcomp-nlp by CogComp.
the class ParseHeadWordFeatureExtractor method getFeatures.
@Override
public Set<Feature> getFeatures(Constituent c) throws EdisonException {
TextAnnotation ta = c.getTextAnnotation();
TreeView tree = (TreeView) ta.getView(parseViewName);
Constituent phrase;
try {
phrase = tree.getParsePhrase(c);
} catch (Exception e) {
throw new EdisonException(e);
}
Set<Feature> features = new LinkedHashSet<>();
int head = CollinsHeadFinder.getInstance().getHeadWordPosition(phrase);
Constituent c1 = new Constituent("", "", ta, head, head + 1);
features.addAll(fex.getFeatures(c1));
return features;
}
use of edu.illinois.cs.cogcomp.edison.utilities.EdisonException in project cogcomp-nlp by CogComp.
the class GetParseLeftSibling method transform.
@Override
public List<Constituent> transform(Constituent input) {
TextAnnotation ta = input.getTextAnnotation();
TreeView parse = (TreeView) ta.getView(parseViewName);
List<Constituent> siblings = new ArrayList<>();
try {
Constituent phrase = parse.getParsePhrase(input);
List<Relation> in = phrase.getIncomingRelations();
if (in.size() > 0) {
Constituent prev = null;
Relation relation = in.get(0);
List<Relation> outgoingRelations = relation.getSource().getOutgoingRelations();
for (Relation r : outgoingRelations) {
if (r.getTarget() == phrase) {
break;
}
prev = r.getTarget();
}
if (prev != null)
siblings.add(prev);
}
} catch (EdisonException e) {
throw new RuntimeException(e);
} catch (Exception e) {
e.printStackTrace();
}
return siblings;
}
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