<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://modmyi.com/forums/ipod-service-warranties-and-repairs/709994-i-have-3g-touch-downgraded-2g-3-1-2-now-want-upgrade-back-3g.html>