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Conference Papers Year : 2015

Reducing offline evaluation bias of collaborative filtering algorithms

Abstract

Recommendation systems have been integrated into the majority of large online systems to filter and rank information according to user profiles. It thus influences the way users interact with the system and, as a consequence, bias the evaluation of the performance of a recommendation algorithm computed using historical data (via offline evaluation). This paper presents a new application of a weighted offline evaluation to reduce this bias for collaborative filtering algorithms.
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hal-01163390 , version 1 (12-06-2015)

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Arnaud de Myttenaere, Boris Golden, Bénédicte Le Grand, Fabrice Rossi. Reducing offline evaluation bias of collaborative filtering algorithms. European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN), Apr 2015, Bruges, Belgium. pp.137-142. ⟨hal-01163390⟩
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