6. The method of claim 1 , wherein the identifying the at least one search engine to be queried comprises identifying the at least one search engine from among a plurality of search engines, wherein the first language model is associated with at least one other of the plurality of search engines.
6. The method of claim 1 , wherein the identifying the at least one search engine to be queried comprises identifying the at least one search engine from among a plurality of search engines, wherein the first language model is associated with at least one other of the plurality of search engines. 7. The method of claim 6 , wherein the at least one other search engine comprises a general-purpose search engine.