<http://schema.org/headline>
"S\u00ED: Nicolas Sarkozy, George R.R. Martin. No: David Cameron, Lloren\u00E7 Morell"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ara.cat/opinio/Nicolas-Sarkozy-RR-Cameron-Llorenc_0_606539416.html>