<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.foremansinc.com/index.php?page=shop.product_details&flypage=flypage_f1.tpl&product_id=210&category_id=124&option=com_virtuemart&Itemid=4>