<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The rapid popularization and expansion of the Internet have catalyzed the growth of diverse e-commerce platforms. To mitigate information overload and enhance consumer shopping experiences, recommender systems have been developed. Our proposed algorithm, grounded in the Hadoop architecture, employs a refined cosine similarity method to calculate the average distance between users and rated items. This method involves the application of the Singular Value Decomposition (SVD) model to reduce the dimensionality of the user-item rating matrix, facilitating the extraction of item feature vectors. Subsequently, these vectors are clustered and segmented using the Matrix Factorization (MF) algorithm, addressing the challenge of data sparsity effectively. Experimental evaluations demonstrate that our enhanced algorithm outperforms five conventional collaborative filtering recommendation algorithms across varying matrix densities (from 0.05 to 0.25) on a public dataset. This results in a significant reduction in prediction error, thereby offering users more precise item recommendations.</p>
</abstract>

The rapid popularization and expansion of the Internet have catalyzed the growth of diverse e-commerce platforms. To mitigate information overload and enhance consumer shopping experiences, recommender systems have been developed. Our proposed algorithm, grounded in the Hadoop architecture, employs a refined cosine similarity method to calculate the average distance between users and rated items. This method involves the application of the Singular Value Decomposition (SVD) model to reduce the dimensionality of the user-item rating matrix, facilitating the extraction of item feature vectors. Subsequently, these vectors are clustered and segmented using the Matrix Factorization (MF) algorithm, addressing the challenge of data sparsity effectively. Experimental evaluations demonstrate that our enhanced algorithm outperforms five conventional collaborative filtering recommendation algorithms across varying matrix densities (from 0.05 to 0.25) on a public dataset. This results in a significant reduction in prediction error, thereby offering users more precise item recommendations.

Research on Collaborative Filtering Algorithm Based on Hadoop Architecture for Matrix Dimension Reduction in E-commerce Environment

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

The rapid popularization and expansion of the Internet have catalyzed the growth of diverse e-commerce platforms. To mitigate information overload and enhance...

Research on Collaborative Filtering Algorithm Based on Hadoop Architecture for Matrix Dimension Reduction in E-commerce Environment

Online veröffentlicht: 05. Aug. 2024

Seitenbereich: -

Eingereicht: 25. Apr. 2024

Akzeptiert: 11. Juli 2024

DOI: https://doi.org/10.2478/amns-2024-1956

Schlüsselwörter
Hadoop architecture, Collaborative filtering algorithm, Cosine similarity, Matrix decomposition, Dimensionality reduction processing, MF algorithm

© 2024 Bing Liang, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Research on Collaborative Filtering Algorithm Based on Hadoop Architecture for Matrix Dimension Reduction in E-commerce Environment

Online veröffentlicht: 05. Aug. 2024

Seitenbereich: -

Eingereicht: 25. Apr. 2024

Akzeptiert: 11. Juli 2024

DOI: https://doi.org/10.2478/amns-2024-1956

SchlüsselwörterHadoop architecture, Collaborative filtering algorithm, Cosine similarity, Matrix decomposition, Dimensionality reduction processing, MF algorithm

© 2024 Bing Liang, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Schlüsselwörter
Hadoop architecture, Collaborative filtering algorithm, Cosine similarity, Matrix decomposition, Dimensionality reduction processing, MF algorithm