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Rank and relevance in novelty and diversity metrics for recommender systems

Open access
Vargas, Saúl, Castells, Pablo·2011·Proceedings of the fifth ACM conference on Recommender systems

Abstract

The Recommender Systems community is paying increasing attention to novelty and diversity as key qualities beyond accuracy in real recommendation scenarios. Despite the raise of interest and work on the topic in recent years, we find that a clear common methodological and conceptual ground for the evaluation of these dimensions is still to be consolidated. Different evaluation metrics have been reported in the literature but the precise relation, distinction or equivalence between them has not been explicitly studied. Furthermore, the metrics reported so far miss important properties such as taking into consideration the ranking of recommended items, or whether items are relevant or not, when assessing the novelty and diversity of recommendations.

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Metadata

Authors
Vargas, S., & Castells, P.
Venue
Proceedings of the fifth ACM conference on Recommender systems
Publisher
ACM
Published
2011-10-23
Pages
109-116
OpenAlex
W2144807535
Cited by
709
References
23
FWCI
23.56
Type
conference paper
Language
en
Open access
green

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