<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cambodiaun.org/?option=com_content&view=article&id=41:statement-of-the-spokesman-of-the-foreign-ministry-2432011&catid=39:march&Itemid=30>