User delegation is a mechanism for assigning access rights available to one user to another
user. A delegation can either be a grant or transfer operation. Existing work on delegation in …

One reason workflow systems have been criticized as being inflexible is that they lack
support for delegation. This paper shows how delegation can be introduced in a workflow …

Today more and more security-relevant data is stored on computer systems; security-critical
business processes are mapped to their digital counterparts. This situation applies to …

Permission delegation in access control provides the subject with a second method to obtain
object permissions in addition to permission granting. It is especially applicable when the …

User delegation is a mechanism for assigning access rights available to a user to another
user. A delegation operation can either be a grant or transfer operation. Delegation for role …

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 …

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 …

Preface is book has been derived from 14 years of research, pilots, and operational trials in
putting together an enterprise system. e later chapters (8 through 22) contain information …

For a given role-based access control (RBAC) configuration, user-role assignment satisfying
least privilege principle (specified as LPUAP) is one of the most important problems to be …

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 …