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Over the last five years, a range of projects have focused on progressively more elaborated techniques for adaptive news delivery. However, the adaptation process in these systems has become more complicated and thus less transparent to the users. In this paper, we concentrate on the application of open user models in adding transparency and controllability(More)
Personalized Web search has emerged as one of the hottest topics for both the Web industry and academic researchers. However, the majority of studies on personalized search focused on a rather simple type of search, which leaves an important research topic - the personalization in exploratory searches - as an under-studied area. In this paper, we present a(More)
In profile-based or content-based adaptive systems, one of the open research questions is how frequently the user's profile and the list of recommended items should be updated. Different systems tend to choose one of the two extremes. Some systems do it once per session (thus called between-session update strategy), whereas some others update whenever there(More)
To guide our work on adaptive explanatory program visualization the authors prepared a questionnaire that was broadly distributed among teachers of programming-related subjects. The questionnaire was designed to collect a list of topics that are considered important, but hard to teach and to solicit suggestions on using visualization for teaching these(More)
Virtual Patients (VPs) have been successful in health education to promote and foster communication. Additionally , computer simulations offer the advantage of being standardized, repeatable, and do not require as much resources as role-play simulations. The research presented in this paper offers to explore the impact of a Clinical Audiology Simulator(More)
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