<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.elpuntavui.cat/article/2-societat/5-societat/544033-els-eua-ja-no-donen-credit-als-antiimmersio-lingueistica.html?dema=1>