<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://prissysissys.com/?option=com_virtuemart&page=shop.product_details&only_page=1&product_id=50&pop=1&tmpl=component&vmcchk=1&Itemid=136>