int difference = -1;
int length = 0;
RefinedSoundex soundex = new RefinedSoundex();
try {
difference = soundex.difference(title1, title2);
length = Math.max(soundex.encode(title1).length(), soundex.encode(title2).length());
} catch (Exception e) {}
double diff = (double)difference / (double)length;
if(diff >= 0.75) {
Duplicate d;