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Recommendations given from socially-connected people

Abstract:

This paper presents how relationships among members of a social network can be used to explicitly specify the relevant features of a friendsourcing recommendation algorithm. One important contribution is to show how to conceptualize previous evaluations of items made by socially-connected users and the different features involved in this kind of algorithms, in a set of criteria for similarity between users in a social network. The paper presents how these specified criteria are used by the proposed friendsourcing recommendation algorithm and shows how the recommendation algorithm is integrated into a real recommender system to be used in a healthcare social network for the medical service of a university. Moreover, the work shows preliminary results which indicate that the information contained in social networks, processed with the proposed algorithm, is relevant for the generation of personalized recommendations. © 2013 Springer-Verlag.