<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/footwear-1/socks/packs-of-socks/wigwam-socks-at-work-quarter-sock-3-pack-s1360-44h-2.html>