@conference {bonvin2010cost,
	title = {Cost-efficient and differentiated data availability guarantees in data clouds},
	booktitle = {2010 IEEE 26th International Conference on Data Engineering (ICDE 2010)},
	year = {2010},
	pages = {980{\textendash}983},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Bonvin, Nicolas and Papaioannou, Thanasis G and Aberer, Karl}
}
