Adaptive graph regularized Nonnegative Matrix Factorization via feature selection.
Jingyan WangIslam AlmasriXin GaoPublished in: ICPR (2012)
Keyphrases
- nonnegative matrix factorization
- feature selection
- least squares
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- sparsity constraints
- unsupervised feature selection
- data representation
- nonnegative matrix
- objective function
- principal component analysis
- text categorization
- spectral clustering
- feature extraction
- dimensionality reduction
- document clustering
- model selection
- feature set
- data sets
- support vector
- machine learning
- text classification
- co occurrence
- original data
- support vector machine
- knn
- knowledge discovery
- feature space
- pattern recognition
- multiscale
- image processing