Evaluating Collaborative Filtering Recommender Algorithms: A Survey

Jalili, M, Ahmadian, S, Izadi, M, Moradi, P and Salehi, M 2018, 'Evaluating Collaborative Filtering Recommender Algorithms: A Survey', IEEE Access, vol. 6, pp. 74003-74024.


Document type: Journal Article
Collection: Journal Articles

Title Evaluating Collaborative Filtering Recommender Algorithms: A Survey
Author(s) Jalili, M
Ahmadian, S
Izadi, M
Moradi, P
Salehi, M
Year 2018
Journal name IEEE Access
Volume number 6
Start page 74003
End page 74024
Total pages 22
Publisher Institute of Electrical and Electronics Engineers
Abstract Due to the explosion of available information on the Internet, the need for effective means of accessing and processing them has become vital for everyone. Recommender systems have been developed to help users to find what they may be interested in, and business owners to sell their products more efficiently. They have found much attention in both academia and industry. A recommender algorithm takes into account user-item interactions, i.e. rating (or purchase) history of users on items, and their contextual information, if available. It then provides a list of potential items for each target user, such that the user is likely to positively rate (or purchase) them. In this paper, we review evaluation metrics used to assess performance of recommendation algorithms. We also survey a number of classical and modern recommendation algorithms and compare their performance in terms of different evaluation metrics on five benchmark datasets. Our experiments show that there is no golden recommendation algorithm showing the best performance in all evaluation metrics. We also find large variability across the datasets. This indicates that one should carefully consider the evaluation criteria in choosing a recommendation algorithm for a particular application.
Subject Pattern Recognition and Data Mining
Information Systems Management
Keyword(s) Recommender systems
collaborative filtering
evaluation metrics
precision
ranking
diversity.
DOI - identifier 10.1109/ACCESS.2018.2883742
Copyright notice © 2018 IEEE
ISSN 2169-3536
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