Categorization with a very high missing data rate is seldom studied, especially from a non-probabilistic point of view. This paper proposes a new algorithm called default clusterin...
The idea of Conceptual Neighbourhood Diagram (CND) has proved its relevance in the areas of qualitative reasoning about time and qualitative reasoning about space. In this work, a ...
Abstract. This paper studies the RDF model from a database perspective. From this point of view it is compared with other database models, particularly with graph database models, ...
This paper proposes a component-based architecture and development methodology for context-aware systems. A context is formally defined from relational point of view. The architec...
In this paper we investigate the idea of using an ORM model as a starting point to derive an activity model, essentially providing an activity view on the original ORM model. When ...
Henderik Alex Proper, Stijn Hoppenbrouwers, Theo P...