<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Drivetrain-Differential/U-Joint-Snap-Ring.aspx?t_c=12&t_s=239&t_pt=7408&t_pn=OAI16525.50>