Orthogonal Nonnegative Matrix Factorization: Multiplicative Updates on Stiefel Manifolds.
Jiho YooSeungjin ChoiPublished in: IDEAL (2008)
Keyphrases
- nonnegative matrix factorization
- euclidean space
- matrix factorization
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- least squares
- nonnegative matrix
- spectral clustering
- document clustering
- active set
- sparsity constraints
- principal component analysis
- objective function
- data points
- feature selection
- original data
- collaborative filtering
- data analysis
- similarity measure
- data mining