<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/6-inch-work-boots/carolina-boots-gold-ultrawelt-6-inch-eh-work-boots-ca10100-2943.html>