<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/72677/%D8%A7%D9%83%D8%A8%D8%B1-%D8%AF%D9%88%D9%84%D8%A9-%D8%A7%D9%81%D8%B1%D9%8A%D9%82%D9%8A%D8%A9>