<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/04/19/Lutheran-Charities-K-9-Comfort-Dogs-visit-marathon-shooting-victims/UPI-12231366366532/?st_rec=93371366373530>