<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/219352/%D8%AA%D9%82%D8%A7%D9%84-%D9%81%D9%8A-%D8%A7%D9%84%D8%B9%D9%8A%D9%88%D9%86-%D9%85%D9%86-5-%D8%AD%D8%B1%D9%88%D9%81>