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Latent based temporal optimization approach for improving the performance of collaborative filtering.

Ismail Ahmed Al-Qasem Al-Hadi¹, Nurfadhlina Mohd Sharef², Md Nasir Sulaiman²

¹Faculty of Ocean Engineering Technology and Informatics, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia.

Peerj. Computer Science

|April 5, 2021

Summary

This summary is machine-generated.

This study introduces a Latent-based Temporal Optimization (LTO) approach to enhance recommendation systems. LTO improves collaborative filtering (CF) accuracy by learning user attitudes and interests over time, addressing key challenges in personalized product suggestions.

Keywords:

Collaborative Filtering Decay Drift Matrix Factorization Recommender Systems Temporal factorization

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Area of Science:

Computer Science
Artificial Intelligence
Data Mining

Background:

Recommendation systems suggest products using customer data, often employing collaborative filtering (CF).
CF faces challenges like data sparsity, latent feedback, user interest drift, overfitting, and product popularity decay.
Current methods use limited temporal representations, necessitating a more integrated solution.

Purpose of the Study:

To develop an integrated approach for recommendation systems that addresses multiple challenges simultaneously.
To improve the prediction accuracy of collaborative filtering (CF) in recommendation systems.
To introduce the Latent-based Temporal Optimization (LTO) approach for enhanced user preference prediction.

Main Methods:

The Latent-based Temporal Optimization (LTO) approach is proposed.
LTO learns latent factors and temporal dynamics of user preferences.
It integrates past user attitudes and evolving interests over time.

Main Results:

Experimental results demonstrate that the LTO approach significantly improves prediction accuracy.
LTO outperforms existing benchmark schemes in recommendation tasks.
The method effectively addresses sparsity and temporal dynamics in recommendation.

Conclusions:

The Latent-based Temporal Optimization (LTO) approach offers an effective solution for enhancing recommendation systems.
LTO provides a more accurate and comprehensive method for predicting user preferences.
This study highlights the importance of integrating latent and temporal factors for robust recommendation performance.