<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/noresults.aspx?term=*par*halogen*&state=Halogen+PAR-64+Products%2c+250W%2b%2c+%2450+-+%24100>