<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/footwear-1/mens-work-boots/insulated-work-boots/wolverine-boots-big-horn-insulated-waterproof-work-boots-3850-51964.html>