David Chongdavidcjw.hashnode.dev·Jun 19, 2022Why We Use Sparse Matrices for Recommender SystemsIn recommender systems, we typically work with very sparse matrices as the item universe is very large while a single user typically interacts with a very small subset of the item universe. Take YouTube for example — a user typically watches hundreds...Machine LearningAdd a thoughtful commentNo comments yetBe the first to start the conversation.
