<http://schema.org/keywords>
"type: news"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/2014/08/14/poppy-delevingne-s-look-for-london-night-out-striped-maxi-dress-plus-leopard-print-blazer_n_7354852.html>