<https://kazemalkhaghani.com/slides/2256/screen-shot-2021-07-07-at-10-48-49-am/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://kazemalkhaghani.com/slides/2256/screen-shot-2021-07-07-at-10-48-49-am/>