Computers have long been used in education and today their use is having an ever greater impact on society thanks to the increasing educational success of the Internet and easier access to it. This broad field, which may include any kind of learning process aided by Information and Communication Technologies, is usually referred to as e-learning. E-learning is commonly recognized as a powerful and valuable extension to traditional educational initiatives and Learning Management Systems (LMS) are key tools that support these new educational models. For this reason a significant amount of...