<http://schema.org/headline>
"\u03A0\u03BF\u03B9\u03AD\u03C2 \u03B5\u03AF\u03BD\u03B1\u03B9 \u03BF\u03B9 \u03B5\u03BD\u03B4\u03B5\u03AF\u03BE\u03B5\u03B9\u03C2 \u03C4\u03BF\u03C5 Stress  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otherside.gr/2009/11/poies-einai-oi-endeikseis-tou-stress/>