<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/180849/%D8%A7%D9%83%D8%A8%D8%B1-%D9%85%D8%AF%D9%86-%D8%AC%D9%86%D9%88%D8%A8-%D8%A7%D9%81%D8%B1%D9%8A%D9%82%D9%8A%D8%A7>