<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://direct.asda.com/george/women/daisy-chain/D1M3G1C92,default,sc.html?cm_sp=grghome-_-scroll1-_-link1daisychain13062013>