19. The system of claim 18 , further comprising instructions that, when executed by the at least one processor, cause the system to: analyze the information associated with the tracked navigation of the user through the first plurality of query results; and predict a user interest based on the analysis of the information associated with the tracked navigation of the user through the first plurality of query results.
19. The system of claim 18 , further comprising instructions that, when executed by the at least one processor, cause the system to: analyze the information associated with the tracked navigation of the user through the first plurality of query results; and predict a user interest based on the analysis of the information associated with the tracked navigation of the user through the first plurality of query results. 20. The system of claim 19 , wherein modifying the second query comprises modifying the second query based on the user interest.