@conference{TRUSTBUS2012,
author = "A. Lazouski and F. Martinelli and P. Mori",
booktitle = "Proceedings of the 9th International Conference on Trust, Privacy and Security in Digital Business (TrustBus'12)",
note = "partner: CNR, projects: Nessos, Contrail, tier B, citations 4",
pages = "79-92",
publisher = "Springer-Verlag",
series = "Lecture Notes in Computer Science",
title = "{A} {P}rototype for {E}nforcing {U}sage {C}ontrol {P}olicies {B}ased on {XACML}",
volume = "7449",
year = "2012",
}