Networked value constellations are collections of enterprises that jointly satify complex consumer needs. Increasingly, such needs are satisfied by e-services, i.e. commercial ser...
Jaap Gordijn, Hans Weigand, Manfred Reichert, Roel...
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Hybrid systems are models for complex physical systems and are defined as dynamical systems with interacting discrete transitions and continuous evolutions along differential equa...