<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/noresults.aspx?term=*philips*&state=Neutral+White+Bulb+Technology+Products%2c+250W%2b%2c+%2410+-+%2450>