<https://secure.gravatar.com/avatar/1cd42b3397fa775a1967bd1b388c2726?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.paltechps.com/business/124297/%D9%85%D8%AD%D8%AF%D8%AB-%D8%A3%D8%B3%D9%85%D8%A7%D8%A1-%D8%A7%D9%84%D8%AF%D9%81%D8%B9%D8%A9-%D8%A7%D9%84%D8%AC%D8%AF%D9%8A%D8%AF%D8%A9-15400-%D9%85%D8%B3%D8%AA%D9%81%D9%8A%D8%AF-%D9%85%D9%86-%D9%82>