Recommender systems

Linyuan Lü, Matúš Medo, Chi Ho Yeung, Yi-Cheng Zhang, Zi-Ke Zhang, Tao Zhou

Research output: Contribution to journalArticle

Abstract

The ongoing rapid expansion of the Internet greatly increases the necessity of effective recommender systems for filtering the abundant information. Extensive research for recommender systems is conducted by a broad range of communities including social and computer scientists, physicists, and interdisciplinary researchers. Despite substantial theoretical and practical achievements, unification and comparison of different approaches are lacking, which impedes further advances. In this article, we review recent developments in recommender systems and discuss the major challenges. We compare and evaluate available algorithms and examine their roles in the future developments. In addition to algorithms, physical aspects are described to illustrate macroscopic behavior of recommender systems. Potential impacts and future directions are discussed. We emphasize that recommendation has great scientific depth and combines diverse research fields which makes it interesting for physicists as well as interdisciplinary researchers.

Original languageEnglish
Pages (from-to)1-49
Number of pages49
JournalPhysics Reports
Volume519
Issue number1
Early online date6 Mar 2012
DOIs
Publication statusPublished - Oct 2012

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recommendations
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Bibliographical note

© 2012, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • information filtering
  • networks
  • recommender systems

Cite this

Lü, L., Medo, M., Yeung, C. H., Zhang, Y-C., Zhang, Z-K., & Zhou, T. (2012). Recommender systems. Physics Reports, 519(1), 1-49. https://doi.org/10.1016/j.physrep.2012.02.006
Lü, Linyuan ; Medo, Matúš ; Yeung, Chi Ho ; Zhang, Yi-Cheng ; Zhang, Zi-Ke ; Zhou, Tao. / Recommender systems. In: Physics Reports. 2012 ; Vol. 519, No. 1. pp. 1-49.
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Lü, L, Medo, M, Yeung, CH, Zhang, Y-C, Zhang, Z-K & Zhou, T 2012, 'Recommender systems', Physics Reports, vol. 519, no. 1, pp. 1-49. https://doi.org/10.1016/j.physrep.2012.02.006

Recommender systems. / Lü, Linyuan; Medo, Matúš; Yeung, Chi Ho; Zhang, Yi-Cheng; Zhang, Zi-Ke; Zhou, Tao.

In: Physics Reports, Vol. 519, No. 1, 10.2012, p. 1-49.

Research output: Contribution to journalArticle

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Lü L, Medo M, Yeung CH, Zhang Y-C, Zhang Z-K, Zhou T. Recommender systems. Physics Reports. 2012 Oct;519(1):1-49. https://doi.org/10.1016/j.physrep.2012.02.006