<https://www.alyaum.com/articles/6220976/\u0627\u0644\u0645\u0645\u0644\u0643\u0629-\u0627\u0644\u064A\u0648\u0645/6220976>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.alyaum.com/articles/6220976/\u0627\u0644\u0645\u0645\u0644\u0643\u0629-\u0627\u0644\u064A\u0648\u0645/\u0625\u062C\u0631\u0627\u0621-\u0663-\u0639\u0645\u0644\u064A\u0627\u062A-\u0632\u0631\u0639-\u0643\u0644\u0649-\u0641\u064A-\u0648\u0642\u062A-\u0648\u0627\u062D\u062F-\u0628\u062C\u062F\u0629>