<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://direct.asda.com/george/clothing/10,default,sc.html?cmpid=ahc-_-geor-bnc1-_-asdacom-dsk-_-hp-_-foot-george-title>