<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rbmofatlanta.com/?cid=ps26044823483&asource=google+search&amedium=adlogic&aterm=%2Bmercedes%20%2Bga&acampaign=oem>