As Europe becomes greyer and thus more reliant on health support, smart healthcare applications will play an increasingly important role in dayto-day life. These technologies will both deliver significant improvements in health care and simultaneously have higher requirements of user interactivity. This will involve both careful and attentive presentations of information and appropriate and eff...

Information services assist people in their decision-making during the performance of certain tasks. In order to determine if a data source, which commits to a given ontology, can be employed for a service, the service provider needs to evaluate its usability and utility for the decision-making process. We propose to do this by simulating with the ontologies the tasks to be supported by the ser...

Pictures of objects have been shown to automatically activate affordances, that is, actions that could be performed with the object. Similarly, pictures of faces are likely to activate social affordances, that is, interactions that would be possible with the person whose face is being presented. Most interestingly, if it is the face of a real person that is shown, one particular type of social ...