<http://schema.org/headline>
"\u0393\u03BD\u03CE\u03C3\u03C4\u03B5\u03C2 \u03C4\u03B7\u03C2 \u03C0\u03C1\u03B1\u03B3\u03BC\u03B1\u03C4\u03B9\u03BA\u03CC\u03C4\u03B7\u03C4\u03B1\u03C2"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rodiaki.gr/article/205556/gnwstes-ths-pragmatikothtas>