<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.rtp.pt/noticias/economia/economia-recupera-no-ultimo-trimestre-de-2013-mas-completa-ano-em-perda_n716868>