<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=Warm+White+Products+with+a+Miniature+Bipin+Base%2c+%2410+-+%2450>