To use this file, please add the following packages
\usepackage{url}
\usepackage[utf8x]{inputenc}

@conference{2007_group_security,
author = {Max Berger and Michael Sobolewski},
title = {{Group-based Security in a Federated File System}},
booktitle = {{Proceedings of the 2nd Annual Symposium on Information Assurance}},
note = {\url{http://max.berger.name/research/role-based-security.pdf}},
location = {Albany, NY, USA},
year = {2007},
}