<http://schema.org/keywords>
"\u03A0\u03B5\u03C1\u03B9\u03C6\u03AD\u03C1\u03B5\u03B9\u03B1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://news247.gr/eidiseis/diagrafhke-xreos-daneiolhpth-upsoys-77-000-eyrw.1855036.html>