In language learning, getting corrective feedback for writing tasks is an essential didactical
concept to improve learners' language skills. Although various tools for automatic correction …

Finding the optimal topic sequence of online courses requires experts with lots of knowledge
about taught topics. Having a good order is necessary for a good learning experience. By …

Cross-validation is a wide-spread approach to understand how well a prediction model
performs with unseen data. While this is the state of the art, machine learning is often used …

Technologiegestütztes Vermitteln von Sprachen ermöglicht Lernenden, effizient und
kostengünstig neue Sprachen zu lernen. Da Sprachen grundsätzlich, ähnlich wie …

Many prediction tasks can be done based on users' trace data. In this paper, we explored
convergent thinking as a personality-related attribute and its relation to features gathered in …