Toward a New Approach for Tuning Regularization Hyperparameter in NMF.
Nicoletta Del BuonoFlavia EspositoLaura SelicatoPublished in: LOD (2021)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- bregman divergences
- gaussian processes
- document clustering
- frequent sets
- matrix factorization
- gaussian process
- hyperparameters
- parameter settings
- regularization parameter
- model selection
- prior information
- matrix factorisation
- bayesian framework
- closed form
- regression model
- principal component analysis
- prior knowledge
- pairwise