/* (non-Javadoc)
* @see wlv.mt.features.impl.Feature#run(wlv.mt.features.util.Sentence, wlv.mt.features.util.Sentence)
*/
@Override
public void run(Sentence source, Sentence target) {
// TODO Auto-generated method stub
ArrayList<String> ngrams = source.getNGrams(size);
Iterator<String> it = ngrams.iterator();
String ngram;
int count = 0;
int freq;
int totalFreq = 0;
int cutOff = LanguageModel.getCutOff(size, quart);
while (it.hasNext()) {
ngram = it.next();
freq = LanguageModel.getFreq(ngram, size);
if (freq <= cutOff && freq > 0) {
count++;
}
}
if (count == 0) {
setValue(0);
} else {
setValue((float) count / ngrams.size());
}
}
