16: Recommender Systems

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Recommender systems - introductionExample - predict movie ratings
Content based recommendation
How do we learn (θj)

Collaborative filtering - overview
Formalizing the collaborative filtering problem

How does this work with the previous recommendation system
Collaborative filtering Algorithm

Algorithm Structure
Vectorization: Low rank matrix factorization
Recommending new movies to a user

Implementation detail: Mean Normalization
How does mean normalization work?