@conference {99, title = {A differentially private mechanism of optimal utility for a region of priors}, booktitle = {Proceedings of the 2nd Conference on Principles of Security and Trust (POST)}, year = {2013}, publisher = {INRIA}, organization = {INRIA}, url = {http://hal.inria.fr/hal-00760735}, author = {ElSalamouny, Ehab and Konstantinos Chatzikokolakis and Catuscia Palamidessi}, editor = {David A. Basin} }