11. The system of claim 8 , wherein the processor is further configured to: retrieve metadata corresponding to the search domain; extract entity names based on the retrieved metadata; determine, for each of the entity names, the entity type and the entity score associated with the entity name; and generate an entity table that includes, for each of the entity names, the entity name and the associated entity type and entity score.
11. The system of claim 8 , wherein the processor is further configured to: retrieve metadata corresponding to the search domain; extract entity names based on the retrieved metadata; determine, for each of the entity names, the entity type and the entity score associated with the entity name; and generate an entity table that includes, for each of the entity names, the entity name and the associated entity type and entity score. 13. The system of claim 11 , wherein the processor is further configured to: determine the search domain from a plurality of search domains based on the received search query; and access the entity table from a plurality of entity tables based on the determined search domain.