(EN) James Dixon, Pentaho, Hadoop, and Data Lakes, su James Dixon’s Blog, James Dixon, 14 ottobre 2010. URL consultato il 7 novembre 2015.
«If you think of a datamart as a store of bottled water – cleansed and packaged and structured for easy consumption – the data lake is a large body of water in a more natural state. The contents of the data lake stream in from a source to fill the lake, and various users of the lake can come to examine, dive in, or take samples.»