<http://schema.org/keywords>
"\u0627\u0644\u0627\u062E\u062A\u0641\u0627\u0621 \u0627\u0644\u0642\u0633\u0631\u064A"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffpostarabi.com/2015/11/12/story_n_8544588.html>