<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-upright-vacuums/dirt-devil-ultra-swivel-glide-swerve-bagged-upright-vacuum/dirt-devil-brushroll-2863005000-for-swivel-glide-vision-uprights-p-2737.html>