Recommendation System, Recommender Systems, Machine Learning, Data Science, Big Data.
vector zⱼ ∈ Rᶠ. The SVD++ algorithm modifies the linear model of SVD by including into the user representation a weighted sum of these latent factors zⱼ. SVD++ for mixed (explicit + implicit) feedback Hybrid Approach: LightFM Collaborative filtering methods based on matrix factorization often