Abstract
We describe an object-oriented architecture for intelligent tutoring systems. The architecture is oriented around objects that represent the various knowledge elements that are to be taught by the tutor. Each of these knowledge elements, called bites , inherits both a knowledge organization describing the kind of knowledge represented and tutoring components that provide the functionality to accomplish standard tutoring tasks like diagnosis, student modeling, and task selection. We illustrate the approach with several tutors implemented in our lab.
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