<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.chateausonoma.com/index.php?page=shop.product_details&product_id=146&flypage=flypage.tpl&pop=1&option=com_virtuemart&Itemid=207&vmcchk=1&Itemid=207>