Polytopic Matrix Factorization: Determinant Maximization Based Criterion and Identifiability.
Gokcan TatliAlper T. ErdoganPublished in: IEEE Trans. Signal Process. (2021)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- low rank
- nonnegative matrix factorization
- factorization methods
- missing data
- negative matrix factorization
- item recommendation
- factor analysis
- implicit feedback
- variational bayesian
- data sparsity
- objective function
- stochastic gradient descent
- data matrix
- factorization method
- dimensionality reduction
- factor matrices
- personalized ranking
- probabilistic matrix factorization