<https://forum.wotlabs.net/index.php?/topic/26355-initial-observations-after-a-long-break/#comment-736148>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.wotlabs.net/index.php?/topic/26355-initial-observations-after-a-long-break/&tab=comments#comment-735635>