10. The system of claim 6 , wherein the physical computer system is further programmed to: identify one or more data stores to answer the search query; retrieve the search results from the one or more data stores; retrieve performance data from the one or more data stores; evaluate the performance data retrieved from the one or more data stores; and categorize one or more of the data stores as specialized data stores, based at least in part on the performance evaluation.
10. The system of claim 6 , wherein the physical computer system is further programmed to: identify one or more data stores to answer the search query; retrieve the search results from the one or more data stores; retrieve performance data from the one or more data stores; evaluate the performance data retrieved from the one or more data stores; and categorize one or more of the data stores as specialized data stores, based at least in part on the performance evaluation. 14. The system of claim 10 , wherein the physical computer system is further programmed to log the performance data.