<https://ocremix.org/community/topic/26511-hopin-i-can-get-some-helpinterest/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ocremix.org/community/topic/26511-hopin-i-can-get-some-helpinterest/?tab=comments#comment-572333>