timestamp	ip	host	browser	uri
20180323-08:05:47	52.87.219.32	ec2-52-87-219-32.compute-1.amazonaws.com	BUbiNG (+http://law.di.unimi.it/BUbiNG.html#wc)	/robots.txt
20180323-08:06:47	52.87.219.32	ec2-52-87-219-32.compute-1.amazonaws.com	BUbiNG (+http://law.di.unimi.it/BUbiNG.html#wc)	/robots.txt