13. The system of claim 12 , the plurality of components further comprising a query metadata determiner component that assigns the query category to the query based upon the document category being assigned to an item in the items previously retrieved by the search engine based upon the query.
13. The system of claim 12 , the plurality of components further comprising a query metadata determiner component that assigns the query category to the query based upon the document category being assigned to an item in the items previously retrieved by the search engine based upon the query. 14. The system of claim 13 , wherein the query metadata determiner component assigns a plurality of query categories to the query based upon document categories assigned to the items retrieved by the search engine.