59. The system of claim 41 , wherein the ranking processor is further configured to determine the first ranking score for the first article by determining a number of times the first article was selected when presented in search results for the first related query.
59. The system of claim 41 , wherein the ranking processor is further configured to determine the first ranking score for the first article by determining a number of times the first article was selected when presented in search results for the first related query. 60. The system of claim 59 , wherein determining the number of times the first article was selected when presented in search results for the first related query comprises determining a number of clickthroughs for the first article when presented in search results for the first related query.