In diesem Band werden zentrale Themen und neuere Entwicklungstendenzen auf dem Gebiet des Operations Research (OR) behandelt. Gegenstand sind die Vortr{ge, die anl{~lich der 21. Jahrestagung der Deutschen Gesellschaft f}r Operations Research (DGOR) und der \sterreichischen Gesellschaft...

Provenance is becoming increasingly important as more and more people are using data that they themselves did not generate. In the last decade, significant efforts have been directed toward developing generic, shared data provenance ontologies that support the interoperability of provenance...

Integrating real-time RFID data into autonomous and heterogeneous information systems across the business value chain presents a number of challenges. At an abstract architecture level, this paper identifies important requirements for RFID data provisioning and points of integration. A...

This research investigates the problem of allocating database fragments across a set of computers connected by a communication network. A mathematical model is presented to aid designers in the development of distributed database systems. The model takes into account the pattern of usage of the...