19. The method of claim 15 wherein the association between the search queries from the search query log and the at least one query keyword comprises a combination of at least two of exact matches, expanded matches or broad matches.
19. The method of claim 15 wherein the association between the search queries from the search query log and the at least one query keyword comprises a combination of at least two of exact matches, expanded matches or broad matches. 20. The method of claim 19 , further comprising categorizing the set of search queries into two or more categories based on a level of similarity between each of the search queries and the query keyword.