<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/womens-day-hiker-23l/F15-110411.html?cgid=bags-luggage-womens-bags&dwvar_F15-110411_variationColor=11041102506>