@Article {jcs2008,
author = {{C.A.} Ardagna and M. Cremonini and S. {De Capitani di Vimercati} and P. Samarati},
title = {A Privacy-Aware Access Control System},
journal = {Journal of Computer Security (JCS)},
volume = {16},
number = {4},
pages = {369--392},
month = {September},
year = {2008}
}