19. The computer program product of claim 17 , wherein the operations further comprise: determining that the particular search result is highly ranked for the second search query; wherein the modifying is further in response to determining that the particular search result is highly ranked for the second search query.
19. The computer program product of claim 17 , wherein the operations further comprise: determining that the particular search result is highly ranked for the second search query; wherein the modifying is further in response to determining that the particular search result is highly ranked for the second search query. 20. The computer program product of claim 19 , wherein determining that the particular search result is highly ranked for the second search query comprises determining that the particular search result appears within a threshold number of highest-ranked second search results of the second search results responsive to the second search query.