In this paper, we describe an evaluation framework for legal information systems. The framework is based on knowledge criteria. We distinguish four belief types, viz. perceptual b...
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
This paper describes a compositional approach to generate the labeled transition system representing the behavior of a Lotos program by repeatedly alternating composition and reduc...
Access to historically significant email archives poses challenges that arise less often in personal collections. Most notably, searchers may need help making sense of the identit...
We present a component-based system for object detection and identification. From a set of training images of a given object we extract a large number of components which are clust...
Bernd Heisele, Ivaylo Riskov, Christian Morgenster...