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Heterogeneity, quality, and reputation in an adaptive recommendation model

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  • G. Cimini

    ()

  • M. Medo
  • T. Zhou
  • D. Wei
  • Y.-C. Zhang
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    Abstract

    Recommender systems help people cope with the problem of information overload. A recently proposed adaptive news recommender model [M. Medo, Y.-C. Zhang, T. Zhou, Europhys. Lett. 88, 38005 (2009)] is based on epidemic-like spreading of news in a social network. By means of agent-based simulations we study a “good get richer” feature of the model and determine which attributes are necessary for a user to play a leading role in the network. We further investigate the filtering efficiency of the model as well as its robustness against malicious and spamming behaviour. We show that incorporating user reputation in the recommendation process can substantially improve the outcome. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

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    Bibliographic Info

    Article provided by Springer in its journal The European Physical Journal B.

    Volume (Year): 80 (2011)
    Issue (Month): 2 (March)
    Pages: 201-208

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    Handle: RePEc:spr:eurphb:v:80:y:2011:i:2:p:201-208

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