}
@Override
protected ExpectationSemiringPM<LogSemiring, ScalarPM, ScalarPM, ScalarPM, ScalarBO>
createNewXWeight() {
ScalarPM s = new ScalarPM();
ScalarPM t = new ScalarPM();
return new ExpectationSemiringPM<LogSemiring, ScalarPM, ScalarPM, ScalarPM, ScalarBO>(s, t, pBilinearOperator);
}