<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otterbox.com/en-us/APL4-T4GXX.html?cgid=ipod-touch-4th-generation-cases&dwvar_APL4-T4GXX_color=C4&start=3>