Search Results Clustering Using Nonnegative Matrix Factorization (NMF).
Hussam M. Dahwa AbdullaMartin PolovincakVáclav SnáselPublished in: ASONAM (2009)
Keyphrases
- nonnegative matrix factorization
- search results clustering
- document clustering
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- active set
- clustering algorithm
- principal component analysis
- matrix decomposition
- least squares
- nonnegative matrix
- spectral clustering
- text mining
- original data
- data matrix
- document collections
- clustering method
- data mining
- missing data
- objective function
- knowledge base