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Intelligent Systems Design and Applications, International Conference on (2009)
Pisa, Italy
Nov. 30, 2009 to Dec. 2, 2009
ISBN: 978-0-7695-3872-3
pp: 267-272
Web 2.0 applications innovate traditional informative services providing Web users with a set of tools for publishing and sharing information. Social bookmarking systems are an interesting example of this trend where users generate new contents. Unfortunately, the growing amount of available resources makes hard the task of accessing to relevant information in these environments. Recommender systems face this problem filtering relevant resources connected to users' interests and preferences. In particular, collaborative filtering recommender systems produce suggestions using the opinions of similar users, called the neighbors. The task of finding neighbors is difficult in environment such as social bookmarking systems, since bookmarked resources belong to different domains. In this paper we propose a methodology for partitioning users, tags and resources into domains of interest. Filtering tags and resources in accordance to the specific domains we can select a different set of neighbors for each domain, improving the accuracy of recommendations.
Collaborative filtering recommender systems, social bookmarking systems, tags, zz-structures
Antonina Dattolo, Carlo Tasso, Felice Ferrara, "Neighbor Selection and Recommendations in Social Bookmarking Tools", Intelligent Systems Design and Applications, International Conference on, vol. 00, no. , pp. 267-272, 2009, doi:10.1109/ISDA.2009.245
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