<https://tegrk.ru/archives/category/cat/%d0%b2-%d0%bf%d1%80%d0%b0%d0%b2%d0%b8%d1%82%d0%b5%d0%bb%d1%8c%d1%81%d1%82%d0%b2%d0%b5>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tegrk.ru/archives/57090>