Semi-supervised Nonnegative Matrix Factorization for Microblog Clustering Based on Term Correlation.
Huifang MaMeihuizi JiaYaKai ShiZhanjun HaoPublished in: APWeb (2014)
Keyphrases
- nonnegative matrix factorization
- semi supervised
- semi supervised clustering
- manifold regularization
- probabilistic latent semantic indexing
- semi supervised learning
- negative matrix factorization
- nonnegative matrix
- data representation
- matrix factorization
- supervised learning
- least squares
- labeled data
- active learning
- unlabeled data
- semi supervised classification
- spectral clustering
- unsupervised learning
- principal component analysis
- document clustering
- pairwise
- low rank
- image segmentation
- co occurrence
- sparsity constraints
- pattern recognition
- objective function