Digital library research is mostly focused on the generation of large collections of multimedia resources and state-ofthe-art tools for their indexing and retrieval. However, digi...
We are facing a growing user demand for ubiquitous Internet access. As a result, network ports and wireless LANs are becoming common in public spaces inside buildings such as loung...
This paper introduces a mechanism for establishing policies for electronic commerce in a uni ed and secure manner. A commercial policy can be viewed as the embodiment of a contrac...
Abstract. In a distributed system, dynamically dividing execution between nodes is essential for service robustness. However, when all of the nodes cannot be equally trusted, and w...
In the paper we present an overview of Saga Security System, a security architecture in open distributed systems. An agent in Saga Security System is called a Saga Agent. The auth...