<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Drivetrain-Differential/NP242-Transfer-Case-Drive-Chain.aspx?t_c=12&t_s=116&t_pt=5098&t_pn=OAI18612.05>