Digitalization of  educational services is an ongoing process where different services are on their way of being digitized in the near future. As more learning is happening online, data traces left by the learners are drawing the interest of educational and data...

Worldwide, open badges are becoming a popular way for motivating and rewarding learners for acquired skills. These skills can be obtained in diverse contexts, e.g. through formal, non-formal and informal learning. These digital credentials are trustworthy and thus...