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AI-VT: An example of CBR that generates a variety of solutions to the same problem

Abstract : AI-Virtual Trainer (AI-VT) is an intelligent tutoring system based on case-based reasoning. AI-VT has been designed to generate personalised, varied, and consistent training sessions for learners. The AI-VT training sessions propose di↵erent exercises in regard to a capac- ity associated with sub-capacities. For example, in the field of training for algorithms, a capacity could be ”Use a control structure alternative” and an associated sub-capacity could be ”Write a boolean condition”. AI-VT can elaborate a personalised list of exercises for each learner. One of the main requirements and challenges studied in this work is its ability to propose varied training sessions to the same learner for many weeks, which constitutes the challenge studied in our work. Indeed, if the same set of exercises is proposed time after time to learners, they will stop paying attention and lose motivation. Thus, even if the generation of training sessions is based on analogy and must integrate the repetition of some exercises, it also must introduce some diversity and AI-VT must deal with this diversity. In this paper, we have highlighted the fact that the retaining (or capitalisation) phase of CBR is of the utmost impor- tance for diversity, and we have also highlighted that the equilibrium between repetition and variety depends on the abilities learned. This balance has an important impact on the retaining phase of AI-VT.
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https://hal.archives-ouvertes.fr/hal-02386204
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Submitted on : Friday, November 29, 2019 - 11:19:51 AM
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  • HAL Id : hal-02386204, version 1

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Julien Henriet, Françoise Greffier. AI-VT: An example of CBR that generates a variety of solutions to the same problem. International conference on Case-based reasoning, Jul 2018, Stockholm, Sweden. ⟨hal-02386204⟩

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