16. The computer program product of claim 15 , further comprising merging the resultant set with an additional search result set.
16. The computer program product of claim 15 , further comprising merging the resultant set with an additional search result set. 17. The computer program product of claim 16 , wherein merging the resultant set with the additional search result set comprising performing a logical OR operation on the resultant set and the additional search result set.