Kees de Koning

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Automated handling of tutoring and training functions in educational systems requires the availability of articulate domain models. In this article we further develop the application of qualitative models for this purpose. A framework is presented that defines a key role for qualitative models as interactive simulations of the subject matter. Within this(More)
In intelligent educational systems, assessment of what the learner is doing is a prerequisite for proper, knowledgeable guidance of the educational process. We propose to use existing techniques from the field of model-based reasoning for this purpose. This paper describes how a modified version of GDF can be exploited in diagnosing a learner's problem(More)
In various research projects, qualitative models are claimed to be beneficial for teaching systems. Thus far, little experimental research has been undertaken to investigate the usefulness of these models in actual teaching situations. In this paper, we present an experimental study that examines to what extent existing qualitative reasoning representations(More)
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