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    ExeVis: concept-based visualization of exercises in online learning

    In recent years, online learning has gained popularity and proven to be an effective way of education. Numerous studies have analyzed teaching materials and learning behaviors. However, most of the existing st...

    Zhiguang Zhou, Lihong Cai, Jiayi Guo, Yong Zhang, Baofeng Chang… in Journal of Visualization (2024)