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.
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. 21. The method of claim 20 , further comprising providing the two or more categories of search queries to the advertiser.