<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2014/07/27/140727125626_costa_concordia_512x288_afp.jpg>
<http://www.bbc.com/sinhala/world/2014/07/140727_costa-concordia.shtml>