<http://schema.org/headline>
"O nezn\u00E1m\u00E9m zp\u00EDvaj\u00EDc\u00EDm n\u00E1rod\u011B"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.denik.cz/souteze/o-neznamem-zpivajicim-narode-20140416.html>