Example usage for edu.stanford.nlp.trees Tree taggedLabeledYield

Introduction

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

Prototype

public List<CoreLabel> taggedLabeledYield()

Source Link

Document

Returns a List from the tree.

Usage

From source file:com.daemon.sentiment.FeatureMatrix.java

License:Open Source License

/**
 * POS tagging features//from   ww w.  ja  v a2s. c  o m
 * 
 * Words are tagged with their respective part-of-speech tag as determined
 * by the Stanford parser
 * 
 * @param tokens
 *            Tokenized text of the tweet
 * @param tokensPOSTagged
 *            Tokenized text of the tweet, possibly with negations from the
 *            previous step
 * @return Reference to the second parameter, which now has POS annotations,
 *         e.g. "love $NN$"
 */
private List<String> addPOSTags(List<String> tokens, List<String> tokensPOSTagged) {
    Tree stanfordTree;

    // Parser needs the tokens-list in a HasWord format
    List<HasWord> sentence = new ArrayList<HasWord>();
    for (String token : tokens) {
        sentence.add(new Word(token));
    }

    // Parse the sentence
    stanfordTree = lexicalizedParser.apply(sentence);

    // add results (POS tags) in tokensPOSTagged-list
    int i = 0;
    for (CoreLabel label : stanfordTree.taggedLabeledYield()) {
        tokensPOSTagged.set(i, tokensPOSTagged.get(i) + " $" + label.toString("value") + "$");
        i++;
    }

    return tokensPOSTagged;

}