Tilmann Rabl, Meikel Poess, Chaitanya K. Baru, Hans-Arno Jacobsen: Specifying Big Data Benchmarks - First Workshop, WBDB 2012, San Jose, CA, USA, May 8-9, 2012, and Second Workshop, WBDB 2012, Pune, India, December 17-18, 2012, Revised Selected Papers. Lecture Notes in Computer Science 8163, Springer 2014, ISBN 978-3-642-53973-2