Clustering and Latent Semantic Indexing Aspects of the Nonnegative Matrix Factorization
Andri MirzalPublished in: CoRR (2011)
Keyphrases
- nonnegative matrix factorization
- latent semantic indexing
- latent semantic space
- document clustering
- negative matrix factorization
- matrix factorization
- document representation
- low rank approximation
- spectral clustering
- text retrieval
- vector space
- singular value decomposition
- vector space model
- data representation
- least squares
- principal component analysis
- information retrieval
- original data
- clustering algorithm
- machine learning
- objective function