<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/footwear-1/mens-sandals/teva-sandals-men-s-waterproof-suede-flip-flop-sandals-6972-blk-40173.html>