Information requirements analysis for data warehouse systems differs significantly from requirements analysis for conventional information systems. Based on interviews with projec...
Complex applications in many areas, including scientific computations and business-related web services, are created from collections of components to form workflows. In many case...
In this paper, we present our experiences concerning the enforcement of access rights extracted from ODRL-based digital contracts. We introduce the generalized Contract Schema (Co...
This paper presents a set of architectures for the composition of ubiquitous computing applications. It describes research that is being carried out in "extrovert-Gadgets&quo...
We present a method for automated topic suggestion. Given a plain-text input document, our algorithm produces a ranking of novel topics that could enrich the input document in a m...