<http://schema.org/category>
"\u0418\u0441\u0442\u043E\u0440\u0438\u044F"^^<http://www.w3.org/2001/XMLSchema#string>
<http://get.bg/uchmag-karta-integracija-na-evropejskite-d-rzhavi-1973-2007-a-138.html>