<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/CST-1208/Queen+Size+Bed+Frame+For+Headboard+&amp;amp;+Footboard+-+5+Legs+With+Glides>