Cloud Computing is developed as a new wave of ICT technologies, offering a common
approach to on-demand provisioning of computation, storage and network resources that …

For flexible and dynamic resource management in environments where users collaborate to
fulfill their common tasks, various attempts at modeling delegation of authority have been …

Security-sensitive business processes are business processes that must comply with
security requirements (eg authorization constraints). In previous works it has been shown …

With the emergence of the Internet of Things (IoT) technology, devices are becoming more
ubiquitous and openly accessible to the users. Commonly, IoT devices are constrained in …

Large and distributed access control systems are increasingly common, for example in
health care. In such settings, access control policies may become very complex, thus …

Delegation is a mechanism that allows a user A to act on another user B's behalf by making
B's access rights available to A. It is well recognized as an important mechanism to provide …

Business processes are usually expected to meet high level authorization requirements (eg,
Separation of Duty). Since violation of authorization requirements may lead to economic …

Abstract Domain Adaptation (DA) exploits labeled data and models from similar domains in
order to alleviate the annotation burden when learning a model in a new domain. Our …

Providing restrictive and secure access to resources is a challenging and socially important
problem. Among the many formal security models, Role Based Access Control (RBAC) has …

In the field of access control, delegation is an impor-tant aspect that is considered as a part
of the administra-tion mechanism. Thus, a complete access control must pro-vide a flexible …