<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.theclassyhome.com/Product/FLF-XU-DG6R9BLAD-BAR-W-GG-VAR/Hercules+Series+Ladder+Back+Wood+Seat+Metal+Restaurant+Stools>