<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ibvm.org/index.php?option=com_content&view=article&id=113:1-december-2005--world-aids-day&catid=74:ibvm-news-items&Itemid=139>