<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/06/28/130628150901_neymar_512x288_afp.jpg>
<http://www.bbc.com/portuguese/noticias/2013/08/130809_melhorias_futebol_rm_lgb.shtml>