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Published in:
2007 | OriginalPaper | Chapter
User Models for Adaptive Hypermedia and Adaptive Educational Systems
Authors : Peter Brusilovsky, Eva Millán
Published in: The Adaptive Web
Publisher: Springer Berlin Heidelberg
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One distinctive feature of any adaptive system is the user model that represents essential information about each user. This chapter complements other chapters of this book in reviewing user models and user modeling approaches applied in adaptive Web systems. The presentation is structured along three dimensions: what is being modeled, how it is modeled, and how the models are maintained. After a broad overview of the nature of the information presented in these various user models, the chapter focuses on two groups of approaches to user model representation and maintenance: the overlay approach to user model representation and the uncertainty-based approach to user modeling.