@inproceedings{stoller07efficient,
author = "Scott D. Stoller and Ping Yang and C.R. Ramakrishnan and Mikhail I. Gofman",
title = "Efficient Policy Analysis for Administrative Role Based Access Control",
booktitle = "Proceedings of the 14th ACM Conference on Computer and Communications Security (CCS)",
year = 2007,
publisher="ACM Press"
}