<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://events.tbo.com/index.aspx/tampa_fl/events/show/306698645-cleanedison-iso-9001-qms-lead-auditor-training-in-tampa-fl-on-april-29-2013>