<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://forum.videohelp.com/threads/316028-Hello-been-a-long-time-Can-I-upgrade-from-vegas-5-0-and-DVD-arch-2-0-to-Vegas-Pro-9>