Which scientific approach is NOT commonly used in modern retail personalization algorithms?

Modern retailers are increasingly relying on sophisticated AI algorithms to deliver personalized shopping experiences. These systems analyze vast amounts of customer data to predict preferences and behaviors with remarkable accuracy. But how well do you understand the scientific foundations behind retail personalization technology? Test your knowledge of the algorithms that shape your shopping experiences!

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Quantum Entanglement Analysis
Collaborative Filtering
Neural Network-Based Deep Learning
Natural Language Processing (NLP)