<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/176155/%D8%A8%D8%B7%D9%84-%D9%81%D9%8A%D9%84%D9%85-%D8%AA%D9%8A%D8%AA%D8%A7%D9%86%D9%8A%D9%83>