Enhanced clustering of biomedical documents using ensemble non-negative matrix factorization.
Xiaodi HuangXiaodong ZhengWei YuanFei WangShanfeng ZhuPublished in: Inf. Sci. (2011)
Keyphrases
- negative matrix factorization
- document clustering
- nonnegative matrix factorization
- spectral clustering
- clustering algorithm
- probabilistic latent semantic analysis
- clustering method
- unsupervised feature selection
- matrix factorization
- k means
- constrained least squares
- tensor factorization
- data clustering
- principal component analysis
- sparse representation
- text mining
- feature selection
- k nearest neighbor
- co occurrence
- collaborative filtering
- random forests
- knn
- training set
- metadata
- learning algorithm
- machine learning