Trust management systems are frameworks for authorization in modern distributed systems,
allowing remotely accessible resources to be protected by providers. By allowing providers …

Get an In-Depth Understanding of Graph Drawing Techniques, Algorithms, Software, and
Applications The Handbook of Graph Drawing and Visualization provides a broad, up-to …

We introduce the RT framework, a family of role-based trust management languages for
representing policies and credentials in distributed authorization. RT combines the strengths …

We give goal-oriented algorithms for discovering credential chains in RT o, a role-based
trust-management language introduced in this paper. The algorithms search credential …

Trust management has received a lot of attention recently as it is an important component of
decision making for electronic commerce, Internet interactions and electronic contract …

The RT Role-based Trust-management framework provides policy language, semantics,
deduction engine, and pragmatic features such as application domain specification …

We propose a formal model of trust informed by the Global Computing scenario and
focusing on the aspects of trust formation, evolution, and propagation. The model is based …

Automated trust negotiation is an approach to establishing trust between strangers through
iterative disclosure of digital credentials. In automated trust negotiation, access control …

We study the specification of access control policy in large-scale distributed systems. We
present Cassandra, a language and system for expressing policy, and the results of a …

Adaptive systems dynamically change their behavior or structure at runtime to respond to
environmental changes. This paper considers one class of adaptive systems-those that …