28. The apparatus of claim 26 , wherein the result-generating functions are operative to provide different respective strategies for ranking query results.
28. The apparatus of claim 26 , wherein the result-generating functions are operative to provide different respective strategies for ranking query results. 30. The apparatus of claim 28 , wherein at least one of the result-generating functions is operative to generate results that give relative priority to result items that have a theme-based affiliation with a query.