<https://blog.yakaboo.ua/tag/%d0%bf%d0%b5%d1%80%d1%81%d0%b5%d0%bf%d0%be%d0%bb%d1%96%d1%81/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.yakaboo.ua/tag/%D0%BF%D0%B5%D1%80%D1%81%D0%B5%D0%BF%D0%BE%D0%BB%D1%96%D1%81/>