<https://blog.mozilla.org/netpolicy/2020/08/20/practicing-lean-data-and-defending-lean-data/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.mozilla.org/netpolicy/2020/08/20/practicing-lean-data-and-defending-lean-data/>