@inproceedings{hniid=5894,
author = {Keil, Reinhard and D{\"o}pke, I.},
title = {Security management for flexibility in virtual knowledge spaces},
booktitle = {Proceedings of the 5th International Conference on Advanced Information Management and Service},
pages = {898-906},
address = {Los Alamitos, USA},
organization = {IEEE Computer Society},
year = {2009},
}