<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.crazyaboutmagazines.com/ourshop/prod_3946702-TV-Times-magazine-Neil-Morrissey-and-Des-Lynam-cover-2329-May-1998.html>