<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Tires/Jeep-Truck-Tires.aspx?t_c=13&t_s=536&t_pt=101509&Most+Popular+Sizes_PQ=31x10.5R15>