<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/256695/%D9%85%D8%A7-%D9%87%D9%88-%D8%B9%D9%84%D9%85-%D9%85%D9%88%D9%86%D8%A7%D9%83%D9%88>