<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/PAR--38-Halogen_Bulbs-Light_Bulbs-Category/100W_--_149W/120V_--_129V/results.aspx?Ns=P_Wattage+Sort%7C0>