Examples with Predicate info.ephyra.nlp.semantics.Predicate used on opensource projects

Example 11 with Predicate

use of info.ephyra.nlp.semantics.Predicate in project lucida by claritylab.

the class BagOfWordsG method generateQueries.

/**
	 * Generates a "bag of words" query from the keywords in the question
	 * string.
	 * 
	 * @param aq analyzed question
	 * @return <code>Query</code> objects
	 */
public Query[] generateQueries(AnalyzedQuestion aq) {
    // only generate a query if the answer type is known, predicates could
    // be extracted or the question is not a factoid question
    String[] ats = aq.getAnswerTypes();
    Predicate[] ps = aq.getPredicates();
    if (ats.length == 0 && ps.length == 0 && aq.isFactoid())
        return new Query[0];
    // create query string
    Term[] terms = aq.getTerms();
    String[] kws = aq.getKeywords();
    String queryString = getQueryString(terms, kws);
    // create query, set answer types
    Query[] queries = new Query[1];
    queries[0] = new Query(queryString, aq, SCORE);
    queries[0].setExtractionTechniques(EXTRACTION_TECHNIQUES);
    return queries;
}

Example 12 with Predicate

use of info.ephyra.nlp.semantics.Predicate in project lucida by claritylab.

the class TermExpander method isTarget.

/**
	 * Checks if the term is the target of one of the predicates.
	 * 
	 * @param term a term
	 * @param ps predicates in the same sentence
	 * @return <code>true</code> iff the term is a predicate target
	 */
private static boolean isTarget(Term term, Predicate[] ps) {
    String text = term.getText();
    String lemma = WordNet.getLemma(text, POS.VERB);
    for (Predicate p : ps) {
        String verb = p.getVerb();
        if (verb.matches(".*?\\b" + text + "\\b.*+"))
            return true;
        // built from an offset annotation)
        if (lemma != null && verb.matches(".*?\\b" + lemma + "\\b.*+"))
            return true;
    }
    return false;
}