<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/1088/%D9%85%D8%A7-%D8%A7%D9%83%D8%A8%D8%B1-%D9%85%D8%AF%D9%8A%D9%86%D9%87-%D9%81%D9%8A-%D8%A7%D9%84%D8%B9%D8%A7%D9%84%D9%85>