@inproceedings{uc-mechanisms-08,
 author = {A. Pretschner and M. Hilty and D. Basin and C. Schaefer and T. Walter},
 title = {Mechanisms for usage control},
 booktitle = {ASIACCS '08: Proceedings of the 2008 ACM symposium on Information, computer and communications security},
 year = {2008},
 pages = {240--244},
 location = {Tokyo, Japan},
 publisher = {ACM}
 }