<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otterbox.com/en-us/nok2-lumia-822.html?cgid=nokia-lumia-822-cases&dwvar_nok2-lumia-822_color=20&start=1>