4. The method of claim 1 , comprising: generating a distance function associated with the cluster of search queries based on images that are identified as responsive to the search queries in the cluster of search queries.
6. The method of claim 4 , comprising: receiving a third search query; identifying the cluster of search queries as responsive to the third search query based on one or more search terms of the third search query; and identifying a set of search results based on the generated distance function associated with the cluster of search queries.