Abstract Context Security in Process-Aware Information Systems (PAIS) has gained
increased attention in current research and practice. However, a common understanding …

Autonomic communications seek to improve the ability of network and services to cope with
unpredicted change, including changes in topology, load, task, the physical and logical …

Workflow technology is often employed by organizations to automate their day-to-day
business processes. The primary advantage of adopting workflow technology is to separate …

Due to the critical role humans play in automated business processes, a BPEL extension
has been recently released BPEL4People and WS-HumanTask to express issues like …

The basic tenet of Service-Oriented Computing (SOC) is the possibility of building distributed
applications on the Web by using Web Services as fundamental building blocks. The …

To date, research in trust negotiation has focused mainly on the theoretical aspects of the
trust negotiation process, and the development of proof of concept implementations. These …

In trust negotiation and other forms of distributed proving, networked entities cooperate to
form proofs of authorization that are justified by collections of certified attribute credentials …

The Service-Oriented Computing (SOC) paradigm envisions a large, open and dynamic
computing environment where anyone can publish his own services, for instance on the …

Declarative authorization languages promise to simplify the administration of access control
systems by allowing the authorization policy to be factored out of the implementation of the …

Security issues have to be carefully considered for information systems that support the
business processes of an organization, in particular, when these systems build on open …