<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/Blog/2013/06/18/Hoffa-search-dog-turns-up-hit-on-second-day/4931371584475/?rel=5441371586648>