46. The client module of claim 44 , wherein the selector further includes: an analyzer configured for analyzing quality of the search results based on one or more of the query and characteristic information for the selected personalized search engine; and a scoring module configured for scoring the selected personalized search engine based on the quality of the search results.
44. The client module of claim 37 , wherein the selector is further configured for causing execution of the query on the selected personalized search engine.