Companies invest large amounts of money in new technologies. Not surprisingly, much of the research carried out in relation to IT-investments has focused on the adoption of new te...
This paper describes a novel approach to fault-tolerance in distributed object-based systems. It uses the fragmented-object model to integrate replication mechanisms into distribut...
Abstract. This paper describes a few ideas concerned with geographical information systems (GIS) development. Those ideas come from a GIS development project named GeKon, which is ...
The need for enterprise application integration projects leads to complex composite applications. For the sake of security and efficiency, consolidated access control policies for ...
Martin Wimmer, Alfons Kemper, Maarten Rits, Volkma...
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...