<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pewterreport.com/?option=com_k2&view=item&id=4758%3ASmith%20Believes%20Not%20Playing%20In%20London%20Was%20The%20Right%20Call&Itemid=101>