@inproceedings{TELECOM_BRETAGNE-6782, author = {Nora CUPPENS and Frédéric CUPPENS and Diala ABI HAIDAR and Hervé DEBAR}, title = {Negotiation of Prohibition: An Approach Based on Policy Rewriting}, booktitle = {SEC'08 : 23rd International Information Security Conference, september 8-10, Milan, Italie}, address = {Boston}, editor = {Springer}, year = {2008}, pages = {173 -- 187}, organization = { RSM - Dépt. Réseaux, Sécurité et Multimédia (Institut TELECOM ; TELECOM Bretagne), FT- France Télécom R&D} }