<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2012/04/24/Houston-woman-gives-birth-to-sextuplets/UPI-56591335271775/?st_rec=69461359062798>