<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tanga.com/users/new?return_path=%2Fdeals%2Fb70d97bea7%2Ftranscend-4-gb-class-6-sd-industrial-flash-memory-card-ts4gsdhc6i%3Finternal_campaign%3Dchannel>