<http://schema.org/keywords>
"\u03A3\u03B5\u03BD\u03B5\u03B3\u03AC\u03BB\u03B7"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newpost.gr/kosmos/109023/senegali-oi-pio-tetamenes-proedrikes-ekloges-stin-istoria-tis-xoras>