<https://secure.gravatar.com/avatar/8d2a012711d42773a35a9efbd165b19a?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://mo5talfoon.com/%D8%A3%D9%81%D8%B6%D9%84-%D8%B9%D9%84%D8%A7%D8%AC-%D9%84%D9%84%D9%83%D8%AD%D8%A9-%D8%A7%D9%84%D8%AC%D8%A7%D9%81%D8%A9-%D9%84%D9%84%D9%83%D8%A8%D8%A7%D8%B1/>