survey

Survey on the Objectives of Recommender Systems: Measures, Solutions, Evaluation Methodology, and New Perspectives

Authors:

Bushra Alhijawi,

Salam FraihatAuthors Info & Claims

ACM Computing Surveys, Volume 55, Issue 5

Article No.: 93, Pages 1 - 38

https://doi.org/10.1145/3527449

Published: 03 December 2022 Publication History

Abstract

Recently, recommender systems have played an increasingly important role in a wide variety of commercial applications to help users find favourite products. Research in the recommender system field has traditionally focused on the accuracy of predictions and the relevance of recommendations. However, other recommendation quality measures may have a significant impact on the overall performance of a recommender system and the satisfaction of users. Hence, researchers’ attention in this field has recently shifted to include other recommender system objectives. This article aims to provide a comprehensive review of recent research efforts on recommender systems based on the objectives achieved: relevance, diversity, novelty, coverage, and serendipity. In addition, the definitions and measures associated with these objectives are reviewed. Furthermore, the article surveys the evaluation methodology used to measure the impact of the main challenges on performance and the new applications of the recommender system. Finally, new perspectives, open issues, and future directions are provided to develop the field.

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Index Terms

Survey on the Objectives of Recommender Systems: Measures, Solutions, Evaluation Methodology, and New Perspectives
1. Information systems
  1. World Wide Web
    1. Web searching and information discovery
      1. Collaborative filtering

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cover image ACM Computing Surveys

ACM Computing Surveys Volume 55, Issue 5

May 2023

810 pages

ISSN:0360-0300

EISSN:1557-7341

DOI:10.1145/3567470

Editor:
Albert Zomaya
University of Sydney, Australia

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Publication History

Published: 03 December 2022

Online AM: 31 March 2022

Accepted: 16 March 2022

Revised: 20 November 2021

Received: 16 December 2020

Published in CSUR Volume 55, Issue 5

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