5. The method of claim 3 , further comprising omitting, from the co-occurrence count matrix, certain of the word pairs having a respective of the counts that is below a co-occurrence count threshold value.
5. The method of claim 3 , further comprising omitting, from the co-occurrence count matrix, certain of the word pairs having a respective of the counts that is below a co-occurrence count threshold value. 6. The method of claim 5 , further comprising omitting certain of the word pairs from the co-occurrence consistency matrix having the co-occurrence consistency that is below a co-occurrence consistency threshold value.