Multiobjective evolutionary clustering of Web user sessions: a case study in Web page recommendation |
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Authors: | G. Nildem Demir A. Şima Uyar Şule Gündüz-Öğüdücü |
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Affiliation: | (1) Department of Computer Engineering, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey |
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Abstract: | In this study, we experiment with several multiobjective evolutionary algorithms to determine a suitable approach for clustering Web user sessions, which consist of sequences of Web pages visited by the users. Our experimental results show that the multiobjective evolutionary algorithm-based approaches are successful for sequence clustering. We look at a commonly used cluster validity index to verify our findings. The results for this index indicate that the clustering solutions are of high quality. As a case study, the obtained clusters are then used in a Web recommender system for representing usage patterns. As a result of the experiments, we see that these approaches can successfully be applied for generating clustering solutions that lead to a high recommendation accuracy in the recommender model we used in this paper. |
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