<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Sports_News/2014/02/10/Li-on-verge-of-moving-to-No-2-in-WTA-rankings/UPI-28341392041603/?spt=mps&or=4>