Use of non-negative matrix factorization for language model adaptation in a lecture transcription task.
Miroslav NovakRichard J. MammonePublished in: ICASSP (2001)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- matrix factorization
- document clustering
- sparse representation
- principal component analysis
- constrained least squares
- tensor factorization
- information retrieval
- sparsity constraints
- latent semantic space
- metadata
- natural language
- probabilistic model
- natural language processing