<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2013/05/16/FBIs-Mueller-No-Russian-response-to-Tamerlan-queries/UPI-90421368735464/?rel=74351369139284>