The Timeliness Deviation
Christopher Krauss, Agathe Merceron, Stefan Arbanowski · 2019
The decision on what item to learn next in a course can be supported by a recommender system (RS), which aims at making the learning process more efficient and effective. However, learners and learning activities frequently change over time. The question is: how are timely appropriate recommendations of learning resources actually evaluated and how can they be compared?