Ninghui Li, Qihua Wang. Beyond separation of duty: An algebra for specifying high-level security policies. Journal of the ACM, 55(3), 2008. [doi]
@article{LiW08:13,
title = {Beyond separation of duty: An algebra for specifying high-level security policies},
author = {Ninghui Li and Qihua Wang},
year = {2008},
doi = {10.1145/1379759.1379760},
url = {http://doi.acm.org/10.1145/1379759.1379760},
tags = {security, algebra},
researchr = {https://researchr.org/publication/LiW08%3A13},
cites = {0},
citedby = {0},
journal = {Journal of the ACM},
volume = {55},
number = {3},
}