Open learner models (OLM) enable users to access their learner model to view information about their understanding. Opening the learner model to the learner may increase their perc...
Abstract: The article presents a model of the structural properties of virtual communities and the information they can access. It argues that a large part of the information – a...
Defining dependency models is sometimes an easier, more intuitive way for ontology representation than defining reactive rectly, as it provides a higher level of abstraction. We w...
We propose new techniques to simplify the computation of the cycle times and the absorption times for a large class of PEPA models. These techniques allow us to simplify the model ...