7. The system of claim 6 , wherein to identify one or more specialized data stores available to answer the search query the physical computer system is further programmed to: access one or more data store filters associated with the one or more specialized data stores, wherein each data store filter indicates one or more query classes the associated specialized data store is configured to answer; and determine the one or more specialized data stores available to answer the search query by comparing the accessed data store filters to the search query classification.
7. The system of claim 6 , wherein to identify one or more specialized data stores available to answer the search query the physical computer system is further programmed to: access one or more data store filters associated with the one or more specialized data stores, wherein each data store filter indicates one or more query classes the associated specialized data store is configured to answer; and determine the one or more specialized data stores available to answer the search query by comparing the accessed data store filters to the search query classification. 8. The system of claim 7 , wherein the physical computer system is further programmed to update data in the one or more specialized data stores based on the one or more data store filters.