<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/REX4002-576/Rex+Contemporary+Aqua+Cobalt+Lime+Fabric+Area+Rug+(L+90+X+W+60)>