<https://www.vmyasnikov.com/single-post/\u043F\u0440\u0435\u043C\u044C\u0435\u0440\u0430-\u0444\u0438\u043B\u044C\u043C\u0430-\u043C\u0430\u043C\u044B>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.vmyasnikov.com/single-post/%D0%BF%D1%80%D0%B5%D0%BC%D1%8C%D0%B5%D1%80%D0%B0-%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D0%B0-%D0%BC%D0%B0%D0%BC%D1%8B>