Guest blog post by Vincent Granville
There's been many variations of this theme - defining big data with 3Vs (or more, including velocity, variety, volume, veracity, value), as well as other representations such as the data science alphabet.
Here's an interesting Venn diagram that tries to define statistical computing (a sub-field of data science) with 7 sets and 9 intersections:
It was published in a scholarly paper entitled Computing in the Statistics Curricula (PDF document). Enjoy!