id	domain	url
ger-17	en.wikipedia.org	http://en.wikipedia.org/wiki/malcolm_knowles
ger-17	en.wikipedia.org	http://en.wikipedia.org/wiki/malcolm_knowles
ger-17	en.wikipedia.org	http://en.wikipedia.org/wiki/malcolm_knowles
ger-17	books.google.com	http://books.google.com/books?id=j6qgshbj7nqc
ger-17	books.google.com	http://books.google.com/books?id=j6qgshbj7nqc
ger-17	en.wikipedia.org	http://en.wikipedia.org/wiki/burlington,_ma
ger-17	en.wikipedia.org	http://en.wikipedia.org/wiki/elsevier