@conference {685, title = {Mega-modeling for Big Data Analytics}, booktitle = {Conceptual Modeling - 31st International Conference {ER} 2012, Florence, Italy, October 15-18, 2012. Proceedings}, year = {2012}, doi = {10.1007/978-3-642-34002-4_1}, url = {http://dx.doi.org/10.1007/978-3-642-34002-4_1}, author = {Stefano Ceri and Emanuele Della Valle and Dino Pedreschi and Roberto Trasarti} }