<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/235830/%D9%83%D9%8A%D9%81-%D8%A7%D8%B9%D9%85%D9%84-%D8%A7%D9%8A%D9%85%D9%8A%D9%84-%D9%8A%D8%A7%D9%87%D9%88>