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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 29 / No.1: The Twenty-Ninth Conference on Artificial Intelligence

Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS

March 8, 2023

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Authors

Carlotta Schatten

University of Hildesheim


Ruth Janning

University of Hildesheim


Lars Schmidt-Thieme

University of Hildesheim


DOI:

10.1609/aaai.v29i1.9380


Abstract:

Correct evaluation of Machine Learning based sequencers require large data availability, large scale experiments and consideration of different evaluation measures. Such constraints make the construction of ad-hoc Intelligent Tutoring Systems (ITS) unfeasible and impose early integration in already existing ITS, which possesses a large amount of tasks to be sequenced. However, such systems were not designed to be combined with Machine Learning methods and require several adjustments. As a consequence more than a half of the components based on recommender technology are never evaluated with an online experiment. In this paper we show how we adapted a Matrix Factorization based performance predictor and a score based policy for task sequencing to be integrated in a commercial ITS with over 2000 tasks on 20 topics. We evaluated the experiment under different perspectives in comparison with the ITS sequencer designed by experts over the years. As a result we achieve same post-test results and outperform the current sequencer in the perceived experience questionnaire with almost no curriculum authoring effort. We also showed that the sequencer possess a better user modeling, better adapting to the knowledge acquisition rate of the students.

Topics: AAAI

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HOW TO CITE:

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS Proceedings of the AAAI Conference on Artificial Intelligence, 29 (2015) .

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS AAAI 2015, .

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme (2015). Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS. Proceedings of the AAAI Conference on Artificial Intelligence, 29, .

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS. Proceedings of the AAAI Conference on Artificial Intelligence, 29 2015 p..

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. 2015. Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS. "Proceedings of the AAAI Conference on Artificial Intelligence, 29". .

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. (2015) "Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS", Proceedings of the AAAI Conference on Artificial Intelligence, 29, p.

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme, "Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS", AAAI, p., 2015.

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. "Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS". Proceedings of the AAAI Conference on Artificial Intelligence, 29, 2015, p..

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. "Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS". Proceedings of the AAAI Conference on Artificial Intelligence, 29, (2015): .

Carlotta Schatten|| Ruth Janning|| Lars Schmidt-Thieme. Integration and Evaluation of a Matrix Factorization Sequencer in Large Commercial ITS. AAAI[Internet]. 2015[cited 2023]; .


ISSN: 2374-3468


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