<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/247313/%D9%85%D9%86-%D8%A7%D9%88%D9%84-%D8%AE%D9%84%D9%81%D8%A7%D8%A1-%D8%A7%D9%84%D8%B1%D8%A7%D8%B4%D8%AF%D9%8A%D9%86>