<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Jeep-Apparel-LifeStyle/T-Shirt-in-Black-Large.aspx?t_c=85&t_s=416&t_pt=3146&t_pn=S%2fBTS11L>