Mixture Matrix Approximation for Collaborative Filtering.
Dongsheng LiChao ChenTun LuStephen M. ChuNing GuPublished in: IEEE Trans. Knowl. Data Eng. (2021)
Keyphrases
- collaborative filtering
- matrix approximation
- matrix factorization
- low rank matrix
- least squares
- low rank matrix approximation
- approximation error
- maximum entropy
- recommender systems
- matrix completion
- theoretical guarantees
- low rank
- mixture model
- bregman divergences
- gaussian distribution
- exponential family
- missing data
- gaussian mixture model
- feature selection
- expectation maximization
- probabilistic model
- special case
- pairwise