@inproceedings{conf/trustbus/StadenO06,
title = {Extending SQL to Allow the Active Usage of Purposes.},
author = {Wynand van Staden and Martin S. Olivier},
booktitle = {TrustBus},
crossref = {conf/trustbus/2006},
editor = {Simone Fischer-Hübner and Steven Furnell and Costas Lambrinoudakis},
pages = {123-131},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
url = {http://dblp.uni-trier.de/db/conf/trustbus/trustbus2006.html#StadenO06},
volume = {4083},
year = {2006},
description = {dblp},
ee = {http://dx.doi.org/10.1007/11824633_13}, isbn = {3-540-37750-6}, date = {2006-12-15},
keywords = {dblp }
}
::