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Interoperability is the key concept for approaches on building future-proof EHR systems. Two-level modelling and archetypes methodologies bring this goal one step closer. The challenge lies in fully structuring medical documents as to not leave valuable information hidden when searching. A study for laboratory processes from the IHE was taken and refined(More)
We describe the design and implementation of graphi-cal interaction widgets for use with a steerable projector-camera unit. The design of our widgets is adapted to provide the right visual cues when projected and they are controlled by the user's hand. The widgets' input regions are arranged in an ergonomic way and they use a simple but robust computer(More)
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