<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://channelworld.cz/novinky/synergy-trh-cloudove-infrastruktury-vyrostl-v-roce-2014-o-48-amazon-si-upevnil-vedeni-13477>