@inproceedings{SYRG_CCS07,
author = {Scott Stoller and  Ping Yang and  C. R. Ramakrishnan and  Mikhail Gofman},
title = {Efficient Policy Analysis for Administrative Role Based Access Control},
booktitle = {ACM Conference on Computer and Communication Security (CCS)},
address = {Alexandria, Virginia},
month = {Oct},
publisher = {ACM Press},
note = {To Appear},
year = {2007}
}