Keyphrases
- matrix factorization
- graph embedding
- nonnegative matrix factorization
- collaborative filtering
- low rank
- missing data
- recommender systems
- data representation
- clustering algorithm
- negative matrix factorization
- clustering method
- factorization methods
- k means
- low dimensional
- dimensionality reduction
- semi supervised
- spectral clustering
- unsupervised learning
- cluster analysis
- discriminant analysis
- data clustering
- data points
- label information
- distance metric
- dictionary learning
- document clustering
- computer vision
- least squares
- object recognition
- image processing