<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ezvacuum.com/vacuum-parts-by-machine-make-model/dirt-devil-vacuums/dirt-devil-designer-series/dirt-devil-kurv-vacuums.html?dir=asc&order=productsordered>