@inproceedings{Basin:2012:OWA:2295136.2295154,
 author = {Basin, David and Burri, Samuel J. and Karjoth, G\"{u}nter},
 title = {Optimal workflow-aware authorizations},
 booktitle = {Proceedings of the 17th ACM symposium on Access Control Models and Technologies},
 series = {SACMAT '12},
 year = {2012},
 isbn = {978-1-4503-1295-0},
 location = {Newark, New Jersey, USA},
 pages = {93--102},
 numpages = {10},
 url = {http://doi.acm.org/10.1145/2295136.2295154},
 doi = {10.1145/2295136.2295154},
 acmid = {2295154},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {authorizations, complexity, optimality, workflows},
}