International Journal of Engineering and Manufacturing (IJEM)
IJEM Vol. 14, No. 2, 8 Apr. 2024
Cover page and Table of Contents: PDF (size: 510KB)
Alleviating Unwanted Recommendations Issues in Collaborative Filtering Based Recommender Systems
PDF (510KB), PP.46-56
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Author(s)
Abba Almu
1,*
Abubakar Roko
1
Index Terms
Recommender System, Collaborative Filtering, Unwanted Recommendations, Relevance Feedback, Popularise Similarity Function
Abstract
The overabundance of information on the internet and ecommerce has resulted to the development of recommender system to discover interesting items or contents that are recommendable to the user. The recommended items might be of no interest or unwanted to the users and can make users to lose interest in the recommendations. In this work, a Collaborative Filtering (CF) based method which exploits the initial top-N recommendation lists of an item-based CF algorithm based on unwanted recommendations penalisation is presented. The method utilises a relevance feedback mechanism to solicit for users preferences on the recommendations while popularise similarity function minimises the chances of recommending unwanted items. The work explains the proposed algorithm in detail and demonstrates the improvements required on existing CF to provide some adjustments required to improve subsequent recommendations to users.
Cite This Paper
Abba Almu, Abubakar Roko, "Alleviating Unwanted Recommendations Issues in Collaborative Filtering Based Recommender Systems", International Journal of Engineering and Manufacturing (IJEM), Vol.14, No.2, pp. 46-56, 2024. DOI:10.5815/ijem.2024.02.04
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