<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Light_Bulbs/250W+/Halogen-Bulb_Technology/GX16d/results.aspx?Ns=P_Wattage+Sort%7C0&Ntt=par+halogen>