Efficient sparse spherical k-means for document clustering.
Johannes KnittelSteffen KochThomas ErtlPublished in: DocEng (2021)
Keyphrases
- document clustering
- k means
- clustering algorithm
- clustering method
- text clustering
- vector space model
- text mining
- text documents
- document collections
- topic extraction
- document representation
- negative matrix factorization
- clustering quality
- document clusters
- expectation maximization
- real world
- clustering approaches
- tolerance rough set
- spectral clustering
- pairwise constraints
- text categorization
- k nearest neighbor
- search engine
- ant based clustering
- artificial intelligence