Example usage for edu.stanford.nlp.trees.tregex.tsurgeon Tsurgeon processPattern

Introduction

In this page you can find the example usage for edu.stanford.nlp.trees.tregex.tsurgeon Tsurgeon processPattern.

Prototype

public static Tree processPattern(TregexPattern matchPattern, TsurgeonPattern p, Tree t) 

Source Link

Document

Tries to match a pattern against a tree.

Usage

From source file:com.github.kutschkem.Qgen.annotators.SimpleSentenceDecompositionAnnotator.java

License:Open Source License

private List<String> decompose(String documentText) {
    List<Tree> trees = new ArrayList<Tree>();
    for (String sentence : AnalysisUtilities.getSentences(documentText)) {
        trees.add(AnalysisUtilities.getInstance().parseSentence(sentence).parse);
    }/*from ww  w . j  av  a2s  .co  m*/

    List<String> result = new ArrayList<String>();

    for (Tree t : trees) {
        TregexPattern p = TregexPattern.compile("ROOT << (NP=np $++ VP=vp) ");
        TregexMatcher m = p.matcher(t);
        while (m.find()) {
            Tree np = m.getNode("np");
            Tree vp = m.getNode("vp");

            Tree np2 = np.deepCopy();
            TregexPattern p2 = TregexPattern.compile("NP << (/^S.*/=sbarq ?. /,/=c1 ?, /,/=c2)");
            List<TsurgeonPattern> ps = new ArrayList<TsurgeonPattern>();
            ps.add(Tsurgeon.parseOperation("prune sbarq"));
            ps.add(Tsurgeon.parseOperation("prune c1"));
            ps.add(Tsurgeon.parseOperation("prune c2"));

            Tsurgeon.processPattern(p2, Tsurgeon.collectOperations(ps), np2);
            np = np2;

            Tree newTree = Tree.valueOf("(S " + np + vp + "(. .))");
            result.add(AnalysisUtilities.orginialSentence(newTree.yield()));
        }

    }

    return result;
}

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