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This paper proposes that Wikipedia can effectively be used in order to lessen the negative effects of data sparsity on the accuracy of recommendations produced by Recommender Systems, provided that domain resources available for recommendation can successfully be mapped to Wikipedia articles. Under the assumption that hyperlinks between Wikipedia articles convey latent semantic relationships between...
Adaptation and Personalization systems can benefit with the incorporation of ontological knowledge, especially when it comes to modeling users. In this paper we present a cognitive approach to Web Personalization based on an ontology that contains users' cognitive factors. Accordingly, a human factors' ontology has been designed and developed using RDFa, and could be used in any Web-based application...
Adaptive navigational support over the content available in different languages was tested in a controlled experiment. Adaptive web system XAPOS was developed and used for personalized navigation of two groups of users for two adaptive methods comparison. The used personalized adaptation approach is concept-based and adaptive algorithm uses concept space and keywords in English. However, the content...
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