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Network visualization algorithms to evaluate students in online discussion forums: A simulation study

机译:网络可视化算法评估在线讨论论坛中的学生:模拟研究

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The purpose of this study is to detect at-risk students in online discussion forums in the platform Moodle. In this context, this paper presents a simulation study with a large database centralized on 4000 learners and 117988 interactions to evaluate students. To achieve our goal, we are used Gephi as a social network learning analytics tool to visualize the learners social network graphs and to implement three algorithms of layout and clustering to identify the learning community in order to predict the students' status (At-risk or safe). Finally, we discussed the result of each algorithm to improve the best one.
机译:这项研究的目的是在Moodle平台的在线讨论论坛中发现有风险的学生。在这种情况下,本文提出了一个模拟研究,其中包含一个大型数据库,该数据库集中于4000个学习者,并通过117988个交互来评估学生。为了实现我们的目标,我们将Gephi用作社交网络学习分析工具,以可视化学习者的社交网络图,并实施三种布局和聚类算法来识别学习社区,从而预测学生的状态(处于危险状态或安全)。最后,我们讨论了每种算法的结果以改进最佳算法。

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