<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/176345/%D9%8A%D9%82%D8%A7%D9%84-%D9%84%D9%8A%D8%B3-%D8%A7%D9%84%D8%AE%D8%A8%D8%B1%D9%83>