<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/FLF-FSD-RUG-34MLT-GG/Prism+Beige+Blue+Brown+Green+Olefin+60+Inch+X+88+Inch+Rug>