<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otterbox.com/en-us/SAM9-GALAXY-S3.html?dwvar_SAM9-GALAXY-S3_color=R4&cgid=prefix-series-cases&start=3>