<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/youth-snowboard-gear?prefn1=filterColor&prefn2=variationSize&prefv1=Pattern&prefv2=4T%7C7%20%2F%208&collectionID=youth>