<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/247290/%D9%85%D9%86-%D8%A7%D9%88%D9%84-%D8%AE%D8%B7-%D9%88%D8%AE%D8%A7%D8%B7>