Tri-Branch Convolutional Neural Networks for Top-$k$ Focused Academic Performance Prediction

• URL: http://arxiv.org/abs/2107.10424v1
• Date: Thu, 22 Jul 2021 02:35:36 GMT
• Title: Tri-Branch Convolutional Neural Networks for Top-$k$ Focused Academic Performance Prediction
• Authors: Chaoran Cui, Jian Zong, Yuling Ma, Xinhua Wang, Lei Guo, Meng Chen, Yilong Yin
• Abstract summary: Academic performance prediction aims to leverage student-related information to predict their future academic outcomes. In this paper, we analyze students' daily behavior trajectories, which can be comprehensively tracked with campus smartcard records. We propose a novel Tri-Branch CNN architecture, which is equipped with row-wise, column-wise, and depth-wise convolution and attention operations.
• Score: 28.383922154797315
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Academic performance prediction aims to leverage student-related information to predict their future academic outcomes, which is beneficial to numerous educational applications, such as personalized teaching and academic early warning. In this paper, we address the problem by analyzing students' daily behavior trajectories, which can be comprehensively tracked with campus smartcard records. Different from previous studies, we propose a novel Tri-Branch CNN architecture, which is equipped with row-wise, column-wise, and depth-wise convolution and attention operations, to capture the characteristics of persistence, regularity, and temporal distribution of student behavior in an end-to-end manner, respectively. Also, we cast academic performance prediction as a top-$k$ ranking problem, and introduce a top-$k$ focused loss to ensure the accuracy of identifying academically at-risk students. Extensive experiments were carried out on a large-scale real-world dataset, and we show that our approach substantially outperforms recently proposed methods for academic performance prediction. For the sake of reproducibility, our codes have been released at https://github.com/ZongJ1111/Academic-Performance-Prediction.

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