3. The method of claim 1 , wherein the SQL database query language statement including the table function is executed to transform the at least one SPARQL endpoint into the row source for the SQL database without using a gateway between the SQL database and the at least one SPARQL endpoint.
3. The method of claim 1 , wherein the SQL database query language statement including the table function is executed to transform the at least one SPARQL endpoint into the row source for the SQL database without using a gateway between the SQL database and the at least one SPARQL endpoint. 4. The method of claim 3 , wherein a database engine of the SQL database converts the non-local RDF data into the relation data format and executes the one or more SQL query language strings.