18. The system of claim 17 , wherein the attribute value is output on a web page of a search engine as an instant answer to the query.
17. The system of claim 12 , wherein the instructions, when executed by the at least one processor, further cause the at least one processor to: locate the identity of the entity and the attribute identity in the relational database based upon a received query, wherein the query comprises the identity of the entity and the attribute identity; and return the attribute value for the entity responsive to receipt of the query.