Keyphrases
- manifold regularization
- semi supervised learning
- semi supervised
- semi supervised classification
- semi supervised feature selection
- dimension reduction
- matrix completion
- unlabeled data
- nonnegative matrix factorization
- data dependent
- labeled data
- regularized least squares
- training data
- low rank
- unsupervised learning
- labeled and unlabeled data
- active learning
- learning theory
- principal component analysis
- singular value decomposition
- sparse representation
- nearest neighbor
- special case
- machine learning