Search in sources :

Example 1 with EdisonException

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;
}
Also used : DiscreteFeature(edu.illinois.cs.cogcomp.edison.features.DiscreteFeature) TextAnnotation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation) View(edu.illinois.cs.cogcomp.core.datastructures.textannotation.View) Feature(edu.illinois.cs.cogcomp.edison.features.Feature) DiscreteFeature(edu.illinois.cs.cogcomp.edison.features.DiscreteFeature) RealFeature(edu.illinois.cs.cogcomp.edison.features.RealFeature) IOException(java.io.IOException) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException)

Example 2 with EdisonException

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;
}
Also used : Relation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Relation) TreeView(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TreeView) TextAnnotation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException) Feature(edu.illinois.cs.cogcomp.edison.features.Feature) DiscreteFeature(edu.illinois.cs.cogcomp.edison.features.DiscreteFeature) Constituent(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Constituent) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException) HashSet(java.util.HashSet)

Example 3 with EdisonException

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;
}
Also used : Relation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Relation) TreeView(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TreeView) TextAnnotation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation) DiscreteFeature(edu.illinois.cs.cogcomp.edison.features.DiscreteFeature) Feature(edu.illinois.cs.cogcomp.edison.features.Feature) Constituent(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Constituent) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException) HashSet(java.util.HashSet)

Example 4 with EdisonException

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;
}
Also used : LinkedHashSet(java.util.LinkedHashSet) TreeView(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TreeView) TextAnnotation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException) Constituent(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Constituent) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException)

Example 5 with EdisonException

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;
}
Also used : Relation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Relation) ArrayList(java.util.ArrayList) TreeView(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TreeView) TextAnnotation(edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException) Constituent(edu.illinois.cs.cogcomp.core.datastructures.textannotation.Constituent) EdisonException(edu.illinois.cs.cogcomp.edison.utilities.EdisonException)

Aggregations

EdisonException (edu.illinois.cs.cogcomp.edison.utilities.EdisonException)41 Constituent (edu.illinois.cs.cogcomp.core.datastructures.textannotation.Constituent)22 TextAnnotation (edu.illinois.cs.cogcomp.core.datastructures.textannotation.TextAnnotation)22 Feature (edu.illinois.cs.cogcomp.edison.features.Feature)17 DiscreteFeature (edu.illinois.cs.cogcomp.edison.features.DiscreteFeature)15 TreeView (edu.illinois.cs.cogcomp.core.datastructures.textannotation.TreeView)13 LinkedHashSet (java.util.LinkedHashSet)12 Relation (edu.illinois.cs.cogcomp.core.datastructures.textannotation.Relation)8 WordNetFeatureExtractor (edu.illinois.cs.cogcomp.edison.features.factory.WordNetFeatureExtractor)8 HashSet (java.util.HashSet)7 Test (org.junit.Test)6 Set (java.util.Set)5 View (edu.illinois.cs.cogcomp.core.datastructures.textannotation.View)4 ArrayList (java.util.ArrayList)4 RealFeature (edu.illinois.cs.cogcomp.edison.features.RealFeature)3 SpanLabelView (edu.illinois.cs.cogcomp.core.datastructures.textannotation.SpanLabelView)2 FileNotFoundException (java.io.FileNotFoundException)2 IOException (java.io.IOException)2 AnnotatorException (edu.illinois.cs.cogcomp.annotation.AnnotatorException)1 BrownClusterFeatureExtractor (edu.illinois.cs.cogcomp.edison.features.factory.BrownClusterFeatureExtractor)1