<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://img0.rtp.pt/noticias/images/img_fb.jpg>
<http://www.rtp.pt/noticias/economia/ministerio-da-defesa-prepara-abertura-concurso-helis-forca-aerea-e-uale_n72263>