id	domain	url
expositions-2431	www.wsj.com	http://www.wsj.com/articles/sb113875020821161491
expositions-2431	commons.wikimedia.org	http://commons.wikimedia.org
expositions-2431	www.metalunderground.com	http://www.metalunderground.com/news/details.cfm?newsid=78117
expositions-2431	en.wikipedia.org	https://en.wikipedia.org/wiki