Spotting Topics with the Singular Value Decomposition.
Charles K. NicholasRandall DahlbergPublished in: PODDP (1998)
Keyphrases
- singular value decomposition
- singular values
- dimensionality reduction
- dimension reduction
- low rank
- least squares
- principal component analysis
- latent semantic analysis
- reconstruction error
- latent semantic indexing
- topic models
- latent dirichlet allocation
- low rank approximation
- pattern recognition
- data matrix
- null space
- topic modeling
- machine learning