This paper addresses the topic of federated identity management. It discusses in detail the
following topics: what is digital identity, what is identity management, what is federated …

The human figure exhibits complex and rich dynamic behavior that is both nonlinear and
time-varying. However most work on tracking and synthesizing figure motion has employed …

Autonomic communications aim to provide the quality-of-service in networks using self-
management mechanisms. It inherits many characteristics from autonomic computing, in …

In this paper we describe a policy based authorisation infrastructure that a cloud provider
can run as an infrastructure service for its users. It will protect the privacy of usersʼ data by …

Attribute-based access control (ABAC) uses the attributes of the involved entities (ie, subject,
object, action, and environment) to provide access control. Despite various advantages …

The cloud service model intrinsically caters to multiple tenants, most obviously not only in
public clouds but also in private clouds for large organizations. Currently, most cloud service …

This paper proposes a new approach for nonrigid structure from motion with occlusion,
based on sparse representation. We address the occlusion problem based on the latest …

Accountability is a requirement to be included in the initial design phase of systems because
of its strong impact on log architecture implementation. As an illustration, the logs we …

Authorization systems are an integral part of any network where resources need to be
protected. They act as the gateway for providing (or denying) subjects (users) access to …

The implementation of usable security is particularly challenging in the growing field of Grid
computing, where control is decentralised, systems are heterogeneous, and authorization …