<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2012/12/28/121228050112_sp_india_ratan_tata_304x171_afp.jpg>
<http://www.bbc.com/mundo/ultimas_noticias/2012/12/121227_ultnot_india_ratan_tata_se_retira_bd.shtml>