Evolutionary clustering via graph regularized nonnegative matrix factorization for exploring temporal networks.
Wei YuWenjun WangPengfei JiaoXuewei LiPublished in: Knowl. Based Syst. (2019)
Keyphrases
- nonnegative matrix factorization
- evolutionary clustering
- spectral clustering
- least squares
- negative matrix factorization
- sparsity constraints
- data representation
- matrix factorization
- pairwise
- clustering algorithm
- data clustering
- clustering method
- principal component analysis
- objective function
- nearest neighbor
- k means
- original data
- data mining techniques
- natural language processing
- information retrieval