<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.debatepolitics.com/breaking-news-mainstream-media/196383-iraq-insurgents-take-saddams-home-town-lightning-advance-w-246-565-656-a-84.html>