@inproceedings{conf/policy/BonattiO05,
	title = {Driving and Monitoring Provisional Trust Negotiation with Metapolicies.},
	author = {Piero A. Bonatti and Daniel Olmedilla},
	booktitle = {POLICY},
	crossref = {conf/policy/2005},
	pages = {14-23},
	publisher = {IEEE Computer Society},
	url = {http://dblp.uni-trier.de/db/conf/policy/policy2005.html#BonattiO05},
	year = {2005},
	biburl = {http://www.bibsonomy.org/bibtex/23c899c4dcd2b136c984440b5585f8393/mquasthoff},
	description = {dblp},
	date = {2005-08-01}, ee = {http://dx.doi.org/10.1109/POLICY.2005.13}, isbn = {0-7695-2265-3},
	keywords = {access control semantic }
}