<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bbqguys.com/item_name_Cuisinart-4-Foot-Propane-Conversion-Kit-For-Portable-Gas-Grills-QG-012B_item_2704538.html>