<http://schema.org/headline>
"\u0399\u03B4\u03BF\u03CD \u03B7 \u03BA\u03BF\u03C1\u03C5\u03C6\u03B1\u03AF\u03B1 Boxster (pics, vid)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sdna.gr/auto-moto/paroysiaseis/article/27561/idoy-i-koryfaia-boxster-pics-vid>