Active rules provide a new and important method for designing databases and the subject is
seeing an increasing amount of attention from commercial database companies. This book …

Due to the emerging interest in integrating different application environments, there have
been many recent proposals for federated systems. In this paper, a federated system that …

Description languages form the basis of several object-centered knowledge base
management systems developed in recent years, including ones in industrial use. Originally …

The aim of the Semantic Web as promoted by the World Wide Web Consortium is to enable
software agents to access distributed information and to apply inference rules, so that new …

Sharing information in loosely coupled enterprises or virtual corporations demands a flexible
and dynamic architecture, suitable for their individual data policies. The aim of this paper is …

Mein erster Dank gebührt Herrn Prof. Dr. Alejandro Buchmann für die Empfehlung, mich mit
diesem interessanten Thema zu beschäftigen, und die wissenschaftliche Betreuung der …

This paper proposes a methodology for developing a federated database system. This
principle permits one to use several conjoined databases without defining any global …

The development of networks connecting a large number of distributed databases will
shortly make available extremely large amounts of data. For instance there is currently a …

Many interoperable database systems offer the possibility of defining integrated schemata
on top of heterogeneous databases. A very important challenge for these interop-erable …

Many interoperable database systems offer the possibility of defining integrated schemata
on top of heterogeneous databases. A very important challenge for these interop-erable …