<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/dr-martens-boots-men-s-6-inch-airware-work-boots-r11822006-97825.html>