<http://schema.org/description>
"\u0440\u0435\u043F\u0435\u0442\u0438\u0442\u043E\u0440\u0441\u0442\u0432\u043E"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.moscow-faq.ru/questions/science/12345/119253>