Beliakov, Gleb, Calvo, Tomasa and James, Simon 2011, Aggregation of preferences in recommender systems. In Ricci, Francesco, Rokach, Lior, Shapira, Bracha and Kantor, Paul B. (ed), Recommender systems handbook, Springer, New York, pp.705-734.
This chapter gives an overview of aggregation functions toward their use in recommender systems. Simple aggregation functions such as the arithmetic mean are often employed to aggregate user features, item ratings, measures of similarity, etc., however many other aggregation functions exist which could deliver increased accuracy and flexibility to many systems. We provide definitions of some important families and properties, sophisticated methods of construction, and various examples of aggregation functions in the domain of recommender systems.
Field of Research
080108 Neural, Evolutionary and Fuzzy Computation
Socio Economic Objective
970108 Expanding Knowledge in the Information and Computing Sciences
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