<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/caterpillar-boots-men-s-black-flexion-non-slipwork-boots-73734.html>