<https://escbubble.com/2016/02/first-impressions-of-the-semi-1-qualifiers-in-a-dal-2016/#person-ErvinJuhsz>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://escbubble.com/2016/02/first-impressions-of-the-semi-1-qualifiers-in-a-dal-2016/>