8. The method of claim 6 , wherein scoring the selected personalized search engine further includes accumulating scores over multiple searches for the selected personalized search engine as a function of the quality of the search results for subsequent queries based on the characteristic information.
6. The method of claim 1 , further comprising: causing execution of the query on the selected personalized search engine; obtaining search results retrieved by the selected personalized search engine upon execution of the query; analyzing quality of the search results based on one or more of the query and characteristic information for the selected personalized search engine; and scoring the selected personalized search engine based on the quality of the search results.