http://foobar.com/first-0.xml 2011-06-01T00:00:01Z http://foobar.com/second-0.xml 2011-06-01T00:00:01Z http://foobar.com/second-1.xml 2011-06-01T00:00:01Z http://foobar.com/third-0.xml 2011-06-01T00:00:01Z