<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otterbox.com/en-us/galaxy-s4/defender-series-case/sam2-galaxy-s4.html?cgid=shop_our_series&q=samsung-galaxy-s4-defender&dwvar_sam2-galaxy-s4_color=Z2&start=2>