<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/product/H50PAR20NF-120V?cm_sp=LandingPage-_-LowasBug-_-50_Watt_PAR_20_Narrow_Halogen_Flood>