4. The method of claim 1 , further comprising expanding the set of one or more unambiguous terms by including additional terms that correlate with the unambiguous terms.
4. The method of claim 1 , further comprising expanding the set of one or more unambiguous terms by including additional terms that correlate with the unambiguous terms. 6. The method of claim 4 , wherein the additional terms include synonyms of the unambiguous terms.