Convex Non-negative Matrix Factorization in the Wild.
Christian ThurauKristian KerstingChristian BauckhagePublished in: ICDM (2009)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- matrix factorization
- sparse representation
- principal component analysis
- constrained least squares
- document clustering
- convex optimization
- gradient method
- spectral clustering
- tensor factorization
- sparsity constraints
- information retrieval
- text retrieval
- nearest neighbor
- probabilistic model
- feature vectors