Which mathematical technique revolutionized retail personalization algorithms by allowing systems to effectively handle sparse user-item interaction matrices?

In today's data-driven retail landscape, mathematical algorithms power personalization systems that drive customer engagement and sales. These sophisticated systems analyze billions of data points to create tailored shopping experiences. Test your knowledge about how advanced mathematics is transforming the retail personalization space and creating competitive advantages for leading platforms.

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Matrix Factorization (Singular Value Decomposition)
Bayesian Networks
Markov Decision Processes
Monte Carlo Tree Search