<https://secure.gravatar.com/avatar/c5272380d2c46f0d363e09d4bcce3453?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://mj.bald-news.com/663237/%D8%A7%D9%84%D9%85%D9%85%D8%AA%D8%A7%D8%B2-%D8%A8%D9%83%D8%A7%D9%85%D8%9F-%D8%B3%D8%B9%D8%B1-%D8%B7%D9%86-%D8%A7%D9%84%D8%A7%D8%B3%D9%85%D9%86%D8%AA-%D8%A7%D9%84%D9%8A%D9%88%D9%85-%D8%A7%D9%84%D8%AC-2/>