<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/2014/08/06/140806060036_1_464x261_reuters.jpg>
<http://www.bbc.com/vietnamese/world/2014/08/140806_russian_gang_hack_emails.shtml>