<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/247022/%D9%86%D8%B8%D8%A7%D9%85-%D8%AD%D9%83%D9%85-%D8%A7%D9%84%D9%8A%D8%A7%D8%A8%D8%A7%D9%86>