The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
Database partitioning is a technique for improving the performance of distributed OLTP databases, since “single partition” transactions that access data on one partition do no...
Managing scientific data warehouses requires constant adaptations to cope with changes in processing algorithms, computing environments, database schemas, and usage patterns. We h...
Etzard Stolte, Christoph von Praun, Gustavo Alonso...
We describe a design for a collaborative Virtual Learning Environment (VLE) to support massively multi-user and multi-institutional learning communities. This architecture extends...
Abstract: The design of effective indicators and indicator systems requires a profound understanding of the relevant business context. Numerous relations and dependencies within an...
Ulrich Frank, David Heise, Heiko Kattenstroth, Han...