9. The process of claim 4 , wherein the original user query comprises one or more query terms, and the process action of identifying entities and properties that are either explicitly or implicitly present in the original user query comprises an action of using a set of grammar rules to parse the original user query and match the query terms against a set of dictionaries that are maintained by the grammar rules.
9. The process of claim 4 , wherein the original user query comprises one or more query terms, and the process action of identifying entities and properties that are either explicitly or implicitly present in the original user query comprises an action of using a set of grammar rules to parse the original user query and match the query terms against a set of dictionaries that are maintained by the grammar rules. 10. The process of claim 9 , wherein the set of grammar rules comprises grammar templates that are created by one or more information domain experts and are augmented by mining query logs from one or more search services.