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Encyclopedia of Social Network Analysis and Mining pp 1501–1510Cite as

Recommender Systems, Semantic-Based

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Synonyms

Social Recommender System; Tag-based recommendation; Web 2.0 recommender systems

Glossary

Collaborative Filtering :

A recommendation method which is based on rating information of the user community

Content-Based Filtering :

A recommendation method which is based on characteristics of the recommended items as well as individual user feedback

Hybrid Recommender System :

A recommender system that combines different recommendation approaches or data sources

Rating Matrix :

A grid containing the users’ implicit or explicit item ratings

Cold-Start Problem :

The ramp-up phase of a recommender where preference data is missing

Definition

Recommender systems (RS) are software tools that are predominantly used on e-commerce sites and for other online services as a means to help the online customer find the most relevant shopping items or pieces of information quickly. Today, such systems can be found for a variety of different domains such as books, movies, music, hotels, restaurants,...

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Recommended Reading

  • Jannach D, Zanker M, Felfernig A, Friedrich G (2010) Recommender systems – an introduction. Cambridge University Press, Leiden

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  • Ricci F, Rokach L, Shapira B, Kantor PB (eds) (2011) Recommender systems handbook. Springer, New York

    MATH  Google Scholar 

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Author information

Authors and Affiliations

  1. Department of Computer Science, TU Dortmund, Dortmund, Germany

    Fatih Gedikli & Dietmar Jannach

Authors
  1. Fatih Gedikli
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  2. Dietmar Jannach
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Calgary, Calgary, AB, Canada

    Reda Alhajj

  2. Department of Computer Science, University of Calgary, Calgary, AB, Canada

    Jon Rokne

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Gedikli, F., Jannach, D. (2014). Recommender Systems, Semantic-Based. In: Alhajj, R., Rokne, J. (eds) Encyclopedia of Social Network Analysis and Mining. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6170-8_116

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