<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/SL001-1818P/Solid+Sea+Foam+Fabric+Throw+Pillow+(L+18+X+W+18+X+H+4)>