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Item recommendation and quantum correlation on multiple datasets
1School of Computer Science Engineering and Information Systems, Vellore Institute of Technology, Vellore, 632014, TamilNadu, India.
Scientific Reports
|May 22, 2026
Summary
Quantum computing enhances recommender systems by improving correlation calculations. Quantum correlation methods show superior accuracy over classical approaches for personalized recommendations across various datasets.
Area of Science:
- Machine Learning
- Quantum Computing
- Recommender Systems
Background:
- Recommender systems are vital for personalized user experiences in e-commerce and entertainment.
- Traditional correlation methods struggle with complex, high-dimensional data.
- Quantum computing offers a novel approach to enhance correlation computations.
Purpose of the Study:
- To compare the efficiency of classical and quantum correlation techniques in recommender systems.
- To evaluate the Item Recommendation and Quantum Correlation (IRQC) method.
- To analyze performance across four diverse datasets: Supermarket Sales, IMDB Top 250 movies, MovieLens 10k, and BigBasket products.
Main Methods:
- Utilized parameterized quantum circuits with rotation gates and entanglement for the IRQC method.
- Employed both classical and quantum correlation approaches for comparative analysis.
- Evaluated efficacy using Mean Absolute Error (MAE) and Root Mean Squared Error (RMSE).
Main Results:
- Quantum correlation techniques consistently outperformed classical methods across all tested datasets.
- The Quantum Correlation approach achieved lower MAE values (e.g., 0.30 for Supermarket Sales) compared to classical methods (e.g., 1.48 for Supermarket Sales).
- Significant improvements in recommendation accuracy were observed using quantum methods.
Conclusions:
- Quantum computing holds significant potential for advancing machine learning applications.
- The proposed Quantum Correlation approach demonstrates superior performance in enhancing recommender systems.
- Quantum methods offer a promising direction for more precise and efficient personalized recommendations.
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