<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.peta.org/?ReturnUrl=%2Ftv%2Fvideos%2Fcelebrities%2F%3FPageIndex--1370678906%3D2%26sort%3Ddate%2Bdesc>