<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/254797/%D8%A7%D9%8A%D9%86-%D9%88%D9%84%D8%AF-%D8%B5%D8%A7%D9%84%D8%AD-%D8%AC%D9%85%D8%B9%D9%87>