<https://www.jredtna.com/tag/%d8%a7%d9%84%d8%ad%d9%87%d8%a7%d8%af-%d8%a7%d9%84%d8%a5%d8%b3%d9%84%d8%a7%d9%85%d9%8a/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://jredtna.com/tag/%D8%A7%D9%84%D8%AD%D9%87%D8%A7%D8%AF-%D8%A7%D9%84%D8%A5%D8%B3%D9%84%D8%A7%D9%85%D9%8A/>