The protection of personal health information has become a live issue in a number of countries including the USA, Canada, Britain and Germany. The debate has shown that there is w...
We describe the design and implementation of a trust-management system Soutei, a dialect of Binder, for access control in distributed systems. Soutei policies and credentials are w...
Emerging models for context-aware role-based access control pose challenging requirements over policy administration. In this paper we address the issues raised by the decentraliz...
Maria Luisa Damiani, Claudio Silvestri, Elisa Bert...
— In IEEE 802.11 wireless networks, EDCA users’ performance may be degraded because of the existence of legacy users and therefore would get a lower priority service. Such effe...
This paper investigates a novel model-free reinforcement learning architecture, the Natural Actor-Critic. The actor updates are based on stochastic policy gradients employing Amari...