<http://schema.org/keywords>
"\u03A6\u03BF\u03C5\u03BA\u03BF\u03C5\u03C3\u03AF\u03BC\u03B1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newpost.gr/kosmos/36848/iaponia-periorizetai-o-kindynos-diarrois-radienergeias>