<https://afrak.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://afrak.com/blog/%D8%B1%D8%A7%D9%87-%D9%87%D8%A7%DB%8C-%DA%A9%D8%B3%D8%A8-%D8%AF%D8%B1%D8%A2%D9%85%D8%AF-%D8%A7%D8%B2-%DA%AF%D9%88%DA%AF%D9%84/>