<http://schema.org/keywords>
"\u0634\u062E\u0635\u064A\u0627\u062A \u0625\u0633\u0644\u0627\u0645\u064A\u0629"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffpostarabi.com/2016/07/09/story_n_10802510.html>