<http://schema.org/keywords>
"\u0647\u062C\u0645\u0627\u062A \u0628\u0631\u0648\u0643\u0633\u0644"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffpostarabi.com/2016/03/22/story_n_9521186.html>