Automatic Hyperparameter Tuning in Sparse Matrix Factorization.
Ryota KawasumiKoujin TakedaPublished in: CoRR (2023)
Keyphrases
- matrix factorization
- collaborative filtering
- tensor factorization
- low rank
- low rank matrix
- latent factors
- recommender systems
- factor analysis
- negative matrix factorization
- factorization methods
- data sparsity
- sparse non negative
- missing data
- nonnegative matrix factorization
- sparsity constraints
- gaussian processes
- gaussian process
- latent factor models
- personalized ranking
- factorization method
- hyperparameters
- high dimensional