@article{Asghar2013-COSE, author = {Muhammad Rizwan Asghar and Mihaela Ion and Giovanni Russello and Bruno Crispo}, title = {{ESPOON}$_{ERBAC}$: Enforcing Security Policies in Outsourced Environments}, journal = {Elsevier Computers \& Security (COSE)}, volume = {35}, pages = {2-24}, year = {2013}, issn = {0167-4048}, doi = {10.1016/j.cose.2012.11.010}, url = {http://www.sciencedirect.com/science/article/pii/S0167404812001824}, note = {Special Issue of the International Conference on Availability, Reliability and Security (ARES)}, }