Example usage for edu.stanford.nlp.trees LabeledScoredTreeNode LabeledScoredTreeNode

Introduction

In this page you can find the example usage for edu.stanford.nlp.trees LabeledScoredTreeNode LabeledScoredTreeNode.

Prototype

public LabeledScoredTreeNode(Label label, List<Tree> daughterTreesList) 

Source Link

Document

Create parse tree with given root and array of daughter trees.

Usage

From source file:qmul.align.TurnConcatSimilarityMeasure.java

License:Open Source License

/**
 * @param t//  w w  w .jav a  2s . c o m
 * @return the result of concatenating all sentences linearly for transcription, as daughters of a "TURN" mother for
 *         syntax (unless there's just one, in which case it's just copied without a TURN mother, to prevent false
 *         positive similarity between single-sent turns)
 */
private DialogueSentence concatTurn(DialogueTurn t) {
    DialogueSentence cs = new DialogueSentence(null, 0, t, "");
    System.out.print("Concatenating sentences for turn " + t.getId());
    for (DialogueSentence s : t.getSents()) {
        System.out.print(".");
        if (s.getTranscription() != null) {
            cs.setTranscription((cs.getTranscription() + " " + s.getTranscription()).trim());
        }
        if (s.getTokens() != null) {
            if (cs.getTokens() == null) {
                cs.setTokens(s.getTokens());
            } else {
                cs.getTokens().addAll(s.getTokens());
            }
        }
        if (s.getSyntax() != null) {
            Tree tree;
            if (cs.getSyntax() == null) {
                tree = s.getSyntax();
            } else {
                ArrayList<Tree> dtrs = new ArrayList<Tree>();
                if (cs.getSyntax().label().value().equals("TURN")) {
                    for (Tree child : cs.getSyntax().getChildrenAsList()) {
                        dtrs.add(child);
                    }
                } else {
                    dtrs.add(cs.getSyntax());
                }
                dtrs.add(s.getSyntax());
                tree = new LabeledScoredTreeNode(new StringLabel("TURN"), dtrs);
            }
            cs.setSyntax(tree);
        }
        if (!Double.isNaN(s.getSyntaxProb())) {
            cs.setSyntaxProb(Double.isNaN(cs.getSyntaxProb()) ? s.getSyntaxProb()
                    : (cs.getSyntaxProb() * s.getSyntaxProb()));
        }
    }
    System.out.println(" done.");
    return cs;
}

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From source file:qmul.util.parse.StanfordParser.java

License:Open Source License

/**
 * Convenience method: splits utt into sentences, uses {@link LexicalizedParser}'s parse() to tokenize and parse
 * each sentence/*from w ww . j a va2  s  .  co m*/
 * 
 * @param utt
 * @return a {@link Tree} with ROOT node, with the getBestParse() trees for each sentence as children
 */
public Tree parse(String utt) {
    String[] sentences = utt.split("[.!?]");
    // System.out.println("there are sentences:" + sentences.length);
    // LinkedList<Tree> list=new LinkedList<Tree>();
    Label rootLabel = new StringLabel("ROOT");
    Tree concat = new LabeledScoredTreeNode(rootLabel, new LinkedList<Tree>());

    try {
        for (int i = 0; i < sentences.length; i++) {
            boolean parsed = false;
            if (sentences[i].length() > 0)
                parsed = lp.parse(sentences[i]);
            else
                continue;
            Tree t = lp.getBestParse();
            Tree rootChild;
            if (t.children().length == 1)
                rootChild = t.removeChild(0);
            else
                rootChild = t;
            concat.addChild(rootChild);
        }
        if (concat.children().length > 1)
            return concat;
        else
            return concat.removeChild(0);
    } catch (Throwable t) {
        System.out.println(t.getMessage());
        System.out.println("Reinitializing parser because of trying to parse error " + utt);
        this.lp = null;
        Runtime r = Runtime.getRuntime();
        r.gc();
        lp = new LexicalizedParser(System.getProperty("user.dir") + File.separator + "utils" + File.separator
                + "englishPCFG.ser.gz");
        this.lp.setOptionFlags(new String[] { "-maxLength", "100", "-retainTmpSubcategories" });
        return null;
    }

}

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