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** Invited as a paper from E-Learn 2003 ** This paper describes the global feedback in ActiveMath, a learning environment for mathematics and beyond. It addresses some of the cognitive foundations and the layered architecture of the extensible...

ActiveMath (Melis et al., 2001) is a web-based learning environment that dynamically generates interactive mathematical courses adapted to the learners' goals, preferences, capabilities and knowledge. ActiveMath is realized as a client-server web...

We address the problem of tracking some of the student's activities in an e-learning system to obtain data that can be used to diagnose and to react appropriately to the student's actions. In order to find out how long a student deals with a single...

The questions of how important a learner's 'learning style' is for the learning outcome needs to be investigated for learning environments: (1) for a didactically flexible design and possibly for an adaptation to the individual learner and (2) for a ...

The usability of an eLearning system is a key feature for its success. This paper describes several aspects of the usability evaluation of the user-adaptive eLearning system ActiveMath to exemplify how usability engineering techniques can be applied ...

Recently, there is a growing interest in the automatic analysis of learner activity in web-based learning environments. The approach and system SIAM (System for Interaction Analysis by Machine learning) presented in this article aims at helping to...