<https://smallformfactor.net/forum/threads/psa-blackridge-seems-to-be-dead-for-am5.17920/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://smallformfactor.net/forum/threads/psa-blackridge-seems-to-be-dead-for-am5.17920/>