18. The method of claim 13 further comprising generating for each item of the first set of patent information a set of feature scores associated with the set of patent features, and re-ranking to generate the re-ranked set patent information based at least in part on the set of feature scores.
18. The method of claim 13 further comprising generating for each item of the first set of patent information a set of feature scores associated with the set of patent features, and re-ranking to generate the re-ranked set patent information based at least in part on the set of feature scores. 19. The method of claim 18 further comprising normalizing one or more of the set of feature scores.