<https://www.qubole.com/blog/qubole-brings-federated-queries-to-microsoft-power-bi-with-presto/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.qubole.com/blog/qubole-brings-federated-queries-to-microsoft-power-bi-with-presto/>