Abstract
In this paper we propose a new approach based on text mining technique to predict student’s performance using LSA (latent semantic analysis) and K-means clustering method. The present study uses free style comments written by students after each lesson. Since the potentials of these comments can reflect students’ learning attitudes, understanding and difficulties to the lessons, they enable teachers to grasp the tendencies of students’ learning activities.To improve this basic approach, overlap method and similarity measuring technique are proposed. We conducted experiments to validate our proposed methods. The experimental results illustrated that prediction accuracy was 73.6% after applying the overlap method and that was 78.5% by adding the similarity measuring.
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© 2014 Springer International Publishing Switzerland
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Sorour, S.E., Mine, T., Goda, K., Hirokawa, S. (2014). Prediction of Students’ Grades Based on Free-Style Comments Data. In: Popescu, E., Lau, R.W.H., Pata, K., Leung, H., Laanpere, M. (eds) Advances in Web-Based Learning – ICWL 2014. ICWL 2014. Lecture Notes in Computer Science, vol 8613. Springer, Cham. https://doi.org/10.1007/978-3-319-09635-3_15
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DOI: https://doi.org/10.1007/978-3-319-09635-3_15
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-09634-6
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