9. The method of claim 8 , wherein the correlation between the at least one of the plurality of natural language search queries and the at least one keyword-based search query is associated with a Uniform Resource Locator (URL) distribution.
9. The method of claim 8 , wherein the correlation between the at least one of the plurality of natural language search queries and the at least one keyword-based search query is associated with a Uniform Resource Locator (URL) distribution. 10. The method of claim 9 , wherein performing the search query comprises: searching the plurality of query click log data for a query pair corresponding to the search query; and identifying a domain associated with the search query according to the URL distribution.