Eight years ago, functional dependencies, a concept from the theory of relational databases, were proposed as a mechanism for avoiding common problems with multiple parameter type...
There is a growing research interest in employing the logic paradigm for making queries on software in general, and OOP software in particular. We describes a side-effect-free tech...
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
FAD is a powerful and simple language designed for a highly parallel database machine. The basic concepts of the language are its data structures (which we call objects) and its p...
The Semantic Web and its technologies become increasingly important. As more and more Semantic Web applications are being used, developing more stable Semantic Web applications be...