Tuning pruning in sparse non-negative matrix factorization.
Morten MørupLars Kai HansenPublished in: EUSIPCO (2009)
Keyphrases
- sparse non negative
- matrix factorization
- sparse coding
- collaborative filtering
- low rank
- recommender systems
- nonnegative matrix factorization
- factorization methods
- missing data
- negative matrix factorization
- image classification
- factor analysis
- natural images
- generative model
- item recommendation
- sparse representation
- image representation
- stochastic gradient descent
- latent factors
- tensor factorization
- linear combination
- unsupervised learning
- pattern recognition
- data sets
- probabilistic matrix factorization