In line with the growing success of e-commerce demands for an open infrastructure providing security services are growing stronger. Authentication and Authorisation Infrastructure...
Abstract. Access control policies are security policies that govern access to resources. Real-time update of access control policies, that is, updating policies while they are in e...
This paper presents a first step towards a security model that defines access control for logical document structures. el benefits from roles to abstract from users and from secur...
We argue that designing a system that “guarantees” the privacy of its information may not be enough. One must also consider the price for providing that protection: For exampl...
Medical visual information retrieval has been a very active research area over the past ten years as an increasing amount of images is produced digitally and made available in the ...