Heuristics for Exact Nonnegative Matrix Factorization.
Arnaud VandaeleNicolas GillisFrançois GlineurDaniel TuyttensPublished in: CoRR (2014)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- matrix factorization
- active set
- least squares
- spectral clustering
- nonnegative matrix
- principal component analysis
- sparsity constraints
- original data
- pattern recognition
- objective function
- factor matrices
- document clustering
- image classification
- collaborative filtering
- unsupervised learning
- co occurrence
- semi supervised
- recommender systems
- data analysis
- support vector
- information retrieval