A bijection between nonnegative words and sparse abba-free partitions.
Jan NemecekMartin KlazarPublished in: Discret. Math. (2003)
Keyphrases
- tensor factorization
- compressed sensing
- related words
- objective function
- word sense disambiguation
- high dimensional
- sparse representation
- sparse data
- keywords
- linear programming
- nonnegative matrix factorization
- word pairs
- n gram
- english words
- unknown words
- dictionary learning
- text documents
- speech recognition
- matrix factorisation
- sparsity constraints
- knowledge base
- word recognition
- compressive sensing
- image reconstruction
- least squares
- clustering algorithm