<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/47582/Whirlpool-Duet-WED9270XL-Lunar-Silver-Electric-Steam-Dryer-WED9270XL.html?tab=1>