<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/footwear-1/socks/coolmax-socks/wigwam-socks-cool-lite-pro-low-cut-athletic-socks-f6109-051-119076.html>