<http://schema.org/target>
"http://www.bulbs.com/results.aspx?Ntt={search_term}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/noresults.aspx?term=*PAR*&state=PAR-30+PAR-30+Halogen+Flood+Light+Bulbs+from+Bulbs.com>