Dcoument Clustering in Research Literature Based on NMF and Testor Theory.
Fang LiQunxiong ZhuPublished in: J. Softw. (2011)
Keyphrases
- nonnegative matrix factorization
- document clustering
- clustering algorithm
- negative matrix factorization
- k means
- spectral clustering
- unsupervised learning
- clustering method
- hierarchical clustering
- nonnegative matrix
- categorical data
- data points
- matrix factorisation
- theoretical framework
- cluster analysis
- data clustering
- information theory
- theoretical models
- dimensionality reduction
- similarity measure
- pairwise
- feature selection
- probabilistic latent semantic analysis