<http://schema.org/keywords>
"\u03B4\u03B9\u03B1\u03C4\u03C1\u03BF\u03C6\u03AE"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.gr/2016/01/30/life-paradosiako-proino-huffpost_n_9108814.html?utm_hp_ref=greece>