Identifiability in Exact Multilayer Sparse Matrix Factorization.
Léon ZhengRémi GribonvalElisa RicciettiPublished in: CoRR (2021)
Keyphrases
- matrix factorization
- tensor factorization
- collaborative filtering
- low rank matrix
- sparse non negative
- low rank
- missing data
- latent factors
- recommender systems
- nonnegative matrix factorization
- factor analysis
- negative matrix factorization
- factorization methods
- data sparsity
- stochastic gradient descent
- implicit feedback
- sparse representation
- data matrix
- probabilistic model
- sparsity constraints
- item recommendation
- personalized ranking
- high dimensional
- sparse coding
- variational bayesian