In the audit process of Internet activities of users in a local area network, one of the most difficult problems is the problem of source authentication i.e. establishing securely...
Abstract: In this paper we describe the knOWLer System - an ontology-based information system. The knOWLer project focuses on the aspects of making ontologies available to real wor...
Abstract. With the continuously growing number of distributed and heterogeneous IT systems there is the need for structured and efficient identity management (IdM) processes. This ...
During data warehouse design, the designer frequently encounters the problem of choosing among different alternatives for the same design construct. The behavior of the chosen desi...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
This paper presents the design of a novel system architecture, Virtual Service Grid (VSG), for delivering high performance network services. The VSG is based on the concept of the...