<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=variationSize&prefv1=164W%7C163%7C157%7C152W%7C161%7C166W%7C147%7C149&collectionID=mens-boards>