<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/$50_--_$100/Wall_Sconces/Yes-Damp_Location/Bedford/Brushed_Nickel-Finish/results.aspx?Ns=P_List+Price%7C0&pid=358>