Abstract. We propose an approach for extending a tableau-based satisfiability algorithm by an arithmetic component. The result is a hybrid satisfiability algorithm for the Descript...
After more than a decade of research, visual languages have still not become everyday programming tools. On a short term, an integration of visual languages with well-established ...
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
One of the implicit assumptions of multi-modal interfaces is that human-computer interaction is significantly facilitated by providing multiple input and output modalities. Surpri...
The integration of heterogenous data sources is a crucial step for the upcoming semantic web – if existing information is not integrated, where will the data come from that the s...