timestamp	ip	host	browser	uri
20180309-02:09:07	54.234.30.59	ec2-54-234-30-59.compute-1.amazonaws.com	BUbiNG (+http://law.di.unimi.it/BUbiNG.html#wc)	/robots.txt
20180309-02:42:12	54.234.30.59	ec2-54-234-30-59.compute-1.amazonaws.com	BUbiNG (+http://law.di.unimi.it/BUbiNG.html#wc)	/robots.txt