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The evaluation of interactive adaptive systems has long been acknowledged to be a complicated and demanding endeavour. Some promising approaches in the recent past have attempted tackling the problem of evaluating adaptivity by " decomposing " and evaluating it in a " piece-wise " manner. Separating the evaluation of different aspects can help to identify(More)
Developing adaptive internet based learning courses usually requires a lot of programming efforts to provide session management, keeping track of the learners current state, and adapting the interface layout to specific requirements. NetCoach is designed to enable authors to develop adaptive learning courses without programming knowledge. In this paper, we(More)
The main source of information in most adaptive hypermedia systems are server monitored events such as page visits and link selections. One drawback of this approach is that pages are treated as "monolithic" entities, since the system cannot determine what portions may have drawn the user's attention. Departing from this model, the work described here(More)
A promising approach towards evaluating adaptive systems is to decompose the adaptation process and evaluate the system in a " piece-wise " manner. This paper presents a decomposition model that integrates two previous proposals. The main " stages " identified are: (a) collection of input data, (b) interpretation of the collected data, (c) modeling of the(More)
Most e-Learning systems store data about the learner's actions in log files, which give us detailed information about learner behaviour. Data mining and machine learning techniques can give meaning to these data and provide valuable information for learning improvement. One area that is of particular importance in the design of e-Learning systems is learner(More)
The findings of the Workshop on Learner-oriented Knowledge Management and KM-oriented e-Learning (LOKMOL 2005) are summarized in this paper. The results are derived from the presented papers as well as from the moderated discussion during the workshop. First, the main barriers that have to be passed in order to integrate KM and e-Learning are discussed.(More)
There are various Knowledge Management Systems available currently and designed to support knowledge sharing and learning. An example of these are " Experience-based Information Systems " in the domain of Software Engineering, i.e., Information Systems designed to support experience management. Lately, these have become more and more sophisticated from a(More)
Software and interactive systems that adapt their behavior to the user are often referred to as Adaptive Systems. These systems infer the user's goals, knowledge or preferences by observing the user's actions. A synposis of 43 published studies demonstrated that only few of the existing systems are evaluated empirically. Most studies failed to show an(More)