<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/ACM-71515-21-40-DR-S-VAR/Effie+Contemporary+Red+Brown+Beige+Gray+Linen+6pc+Dining+Room+Sets>