<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/footwear-1/socks/work-socks-boot-socks/fox-river-mills-socks-cushioned-fr-work-socks-6072-0606-72893.html>