<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Under_60/High_Pressure_Sodium-High_Intensity_Discharge_(HID)-Light_Bulbs-Category/$50_--_$100/Shape/results.aspx?Ns=P_List+Price%7C0>