<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/38680/KitchenAid-36-Architect-Series-II-Stainless-Steel-Integrated-Downdraft-Vent-KIRD862VSS.html>