<https://help.teletype.app/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://help.teletype.app/knowledge-base/%D0%B3%D0%BE%D1%80%D1%8F%D1%87%D0%B8%D0%B5-%D0%BA%D0%BB%D0%B0%D0%B2%D0%B8%D1%88%D0%B8/>