Sparse Poisson coding for high dimensional document clustering.
Chenxia WuHaiqin YangJianke ZhuJiemi ZhangIrwin KingMichael R. LyuPublished in: IEEE BigData (2013)
Keyphrases
- document clustering
- high dimensional
- document collections
- text mining
- low dimensional
- clustering algorithm
- document representation
- text documents
- dimensionality reduction
- high dimensional data
- similarity search
- clustering method
- negative matrix factorization
- k means
- topic extraction
- nearest neighbor
- feature space
- information retrieval
- test collection
- sparse coding
- document clusters
- tolerance rough set
- natural language processing
- bag of words
- cluster analysis
- data analysis