<http://schema.org/keywords>
"\u0645\u0633\u0644\u0633\u0644\u0627\u062A \u0639\u0631\u0628\u064A\u0629"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffpostarabi.com/2016/04/26/story_n_9773134.html>