12. The method of claim 7 , wherein the merging the first and the second dependency graphs includes: comparing the first dependency graph and the second dependency graph to eliminate inaccurate query term mappings.
12. The method of claim 7 , wherein the merging the first and the second dependency graphs includes: comparing the first dependency graph and the second dependency graph to eliminate inaccurate query term mappings. 13. The method of claim 12 , wherein the merging the first and the second dependency graphs further includes: instantiating a scoring mechanism to prioritize different query term mappings when multiple query terms from the set of previously stored query terms are mapped to one key word.