<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2014/03/31/Roughly-1-of-3-US-children-kids-screened-for-cholesterol-are-high/6141396303874/?spt=mps&or=3>