In the lifelong learning context, the efficiency of learning is measured according to the users’ achievement of the target competences. However, in a virtual learning environment supporting the competence development process ...

To provide adaptive learning, an e-learning system needs to gather information about what student state is while the student learns online course. A student state index is the length of time the student stays on a webpage ...

Motivation is a key factor in education. While there exist some educational system that consider techniques for motivating students, these systems implement only one or few techniques and assume that the respective ...