In open, dynamic multi-agent systems, agents may form short-term ad-hoc groups, such as coalitions, in order to meet their goals. Trust and reputation are crucial concepts in thes...
Abstract. In the standard general-adversary model for multi-party protocols, a global adversary structure is given, and every party must trust in this particular structure. We intr...
Public Key Infrastructure (PKI) security depends upon secure management and usage of trust anchors. Unfortunately, widely used mechanisms, management models and usage practices re...
—Enterprise computing is moving towards more open, collaborative systems. Joining a business network must be made efficient, despite the technical and semantic interoperability ...
Resource management is a central part of a Grid computing system. In a large-scale wide-area system such as the Grid, security is a prime concern. One approach is to be conservati...