package edu.illinois.lis.utils;
import java.util.Iterator;
import edu.illinois.lis.document.FeatureVector;
import edu.illinois.lis.query.GQuery;
public class LuceneQuery {
public static String gQueryToLucene(GQuery gQuery, int k) {
FeatureVector mainVector = new FeatureVector(gQuery.getText(), null);
mainVector.normalizeToOne();
FeatureVector fbVector = gQuery.getFeatureVector();
fbVector.pruneToSize(k);
fbVector.normalizeToOne();
FeatureVector finalVector = FeatureVector.interpolate(mainVector, fbVector, 0.5);
StringBuilder b = new StringBuilder();
Iterator<String> terms = finalVector.iterator();
while(terms.hasNext()) {
String term = terms.next();
double weight = finalVector.getFeaturetWeight(term);
b.append(term + "^" + weight + " ");
}
return b.toString().trim();
}
}