<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.osc.org/index.php/images/stories/components/com_jcalpro/themes/default/index.php?option=com_content&view=article&id=970:the-meaning-behind-dec-21-2012-and-the-end-of-the-mayan-calendar&catid=103:our-planet-our-universe&Itemid=15>