The World Wide Web was born as a place for everyone and for sharing contents, according to the “Hacker Ethics”. During the past years access to Internet and related technologies improved, developing new challenges in society. According to these times new computer sciences raised such as Data Mining and Big Data. As the society changes, learning changes as well. Computer sciences created new ways of learning more focused on the single user and his own possibilities and problems. Following this path some general computer sciences as Data Mining become specilized in Education. Educational Data Mining (EDM) is a science which studies data generated from educational environments.