<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/201751/%D9%83%D9%85-%D9%83%D8%A7%D9%86-%D8%B9%D9%85%D8%B1-%D9%85%D8%AD%D9%85%D8%AF-%D8%A7%D9%84%D8%A8%D8%A7%D9%82%D8%B1-%D8%B9-%D9%81%D9%8A-%D9%88%D8%A7%D9%82%D8%B9%D9%87-%D9%83%D8%B1%D8%A8%D9%84%D8%A7%D8%A1>