Abstract. Conceptual Information Systems unfold the conceptual structure of data stored in relational databases. In the design phase of the system, conceptual hierarchies have to b...
: Many methods in the area of Human-Computer Interaction have been developed for deriving user interfaces considering individual users. However, nowadays information systems includ...
Abstract. In recent years, the rapid development of network infrastructure and the spread of terminals capable of network access have made it possible to access networks at any pla...