<https://searchaws.techtarget.com/news/252467985/Amazons-PartiQL-query-language-eyes-all-data-sources>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://searchaws.techtarget.com/news/252467985/Amazons-PartiQL-query-language-eyes-all-data-sources>