Search Results Clustering Using Nonnegative Matrix Factorization (NMF).
Václav SnáselHussam M. Dahwa AbdullaPublished in: ICECS (2009)
Keyphrases
- nonnegative matrix factorization
- search results clustering
- document clustering
- negative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- clustering algorithm
- spectral clustering
- active set
- data representation
- nonnegative matrix
- matrix decomposition
- least squares
- principal component analysis
- text mining
- data matrix
- clustering method
- data sets
- collaborative filtering
- matrix factorisation
- original data
- sparsity constraints
- computer vision
- sparse representation
- document collections
- co occurrence
- k means
- objective function