Research and business is currently moving from centralized databases towards information systems integrating distributed and autonomous data sources. Simultaneously, it is a well acknowledged fact that ...

Industrieforschung, Auslandsaufenthalte, Habilitationszwang: Alternativen und Hindernisse halten junge Wissenschaftler von einer akademischen Laufbahn ab. Die DFG versucht mit ihrem "Aktionsplan Informatik" diesem Trend ...

Most data integration applications require a matching between the schemas of the respective data sets. We show how the existence of duplicates within these data sets can be exploited to automatically identify matching ...

Model driven engineering is a popular attempt to deal with the complexity of modern software systems. For the telecommunication sector a model driven approach means that you have to handle half a dozen ITU-T modelling ...

The paper reports on the effects of multiple whole-body infra-red-A irradiational (IRA) on 13 male patients knows to have stage I or stage II essential arterial hypertension (WHO definition). The peripheral blood pressure ...

Querying heterogeneous collections of data-centric XML documents requires a combination of database languages and concepts used in information retrieval, in particular similarity search and ranking. In this paper we present ...

This paper addresses the problem of analyzing the interaction between BPEL processes. We present a technology chain that starts out with a BPEL process and transforms it into a Petri net model. On the model we decide ...

Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema, distributes queries to appropriate sources, and ...