<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/BSF-4203016/Hors+D+Oeuvres+Grazie+Modern+Beige+Leather+MDF+Cardboard+Serving+Tray>