<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://direct.asda.com/george/womens/Moda/D1M2G1C1,default,sc.html?cm_sp=grgwomens-_-panel3-_-link1moda14112013>