@article {682,
	title = {Towards mega-modeling: a walk through data analysis experiences},
	journal = {{SIGMOD} Record},
	volume = {42},
	number = {3},
	year = {2013},
	pages = {19{\textendash}27},
	doi = {10.1145/2536669.2536673},
	url = {http://doi.acm.org/10.1145/2536669.2536673},
	author = {Stefano Ceri and Themis Palpanas and Emanuele Della Valle and Dino Pedreschi and Johann-Christoph Freytag and Roberto Trasarti}
}
@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}
}
