<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/mens-snowboards?prefn1=instock&prefn2=variationSize&srule=best-sellers&prefv1=true&prefv2=151.5&collectionID=mens-boards>