: The graphic representation of 3D objects in a 2D space (e.g. sheet of paper, blackboard) is often a tedious task particularly when the used forms are complex. If in addition, suc...
Many data objects in the real world have attributes about location and time. Such spatiotemporal objects can be found in applications such Geographic Information Systems (GIS), env...
In asynchronous collaborative applications, users usually collaborate accessing and modifying shared information independently. We have designed and implemented a replicated objec...