<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/47213/Whirlpool-Duet-WED9470WL-Lunar-Silver-Electric-Steam-Dryer-WED9470WL.html?tab=1>