The C programming language
Geometry problem solving with Mentoniezh
PEG 91 Selected papers of the sixth international annual conference of the PEG group on Knowledge based environments for teaching and learning
An architecture for plug-in tutor agents
Journal of Artificial Intelligence in Education
Instant CORBA
Experimenting Features from Distinct Software Components on a Single Platform
ITS '00 Proceedings of the 5th International Conference on Intelligent Tutoring Systems
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Within a given domain, a significant number of Interactive Learning Environments (ILEs) have been developed during the last decade, but they can not interoperate because of incompatible hardware, operating systems or knowledge representations. Our research aims at defining principles and models for interoperation between ILEs. In this paper we focus on the knowledge level. Our goal is to present a general framework for domain knowledge translation, using what we call macro-definitions. They allow us to specify a general translator for a given domain. After analysing principles used in ad hoc approaches, we provide a formal definition of the macro-definition concept and we demonstrate that it meets our goals. We illustrate the ease of the implementation of this concept with the example of interoperation between two ILEs in the geometry domain, TALC and MENTONIEZH.