An intelligent digital colour image watermarking approach based on wavelets and general regression neural networks

HV Dang, W Kinsner - 2012 IEEE 11th International …, 2012 - ieeexplore.ieee.org
In this paper, we propose a new intelligent, robust and adaptive digital watermarking
technique for colour images based on the combination of discrete wavelet transform (DWT) …

OrBAC from access control model to access usage model

K Guesmia, N Boustia - Applied Intelligence, 2018 - Springer
The purpose based access control model has been proposed recently to restrict the access
to the sensitive data which are out of control of their owner. This model can be enforced by …

A Semantic-Aware Role-Based Access Control Model for Pervasive Computing Environments.

SA Javadi, M Amini - ISeCure, 2013 - search.ebscohost.com
Access control in open and dynamic Pervasive Computing Environments (PCEs) is a very
complex mechanism and encompasses various new requirements. In fact, in such …

Temporal context in multilevel access control model

N Boustia, A Mokhtari - 2011 International Conference for …, 2011 - ieeexplore.ieee.org
In classical multilevel access control, classifications and clearance level are defined in
advance and does not change during the duration of their use. We thought that the level of …

Dynamic Temporal Policy Model for Online Social Networks

K Guesmia, N Boustia - … and Big Data Computing, Internet of …, 2016 - ieeexplore.ieee.org
Nowadays, online social network are becoming more, more an integral part of our daily life.
Users often spend a large amount of time in their profile, updating their status, interacting …

Un formalisme de sécurisation des bases de données multi-niveaux

N Boustia - 2011 - ccdz.cerist.dz
Résumé Notre modèle dynamique de contrôle d'accès est basé sur la logique description
(DL) augmentée avec les opérateurs défaut et exceptionpour pouvoir représenter la notion …