<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/blog/2013/12/27/Zayn-Malik-to-wed-Perrie-Edwards-in-2014/1181388155314/?spt=mps&or=1>