<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://workingperson.com/workwear-1/work-pants/511-tactical-pants/5-11-tactical-pants-class-a-brown-poly-rayon-pants-44059-108-5660.html>