<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/198084/%D9%81%D9%8A-%D9%85%D8%AA%D9%86%D8%A7%D9%88%D9%84-%D8%A7%D9%84%D9%8A%D8%AF>