A unified framework of community hiding using symmetric nonnegative matrix factorization.
Dong LiuRuoxue JiaXia LiuWensheng ZhangPublished in: Inf. Sci. (2024)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- least squares
- spectral clustering
- data representation
- nonnegative matrix
- active set
- principal component analysis
- machine learning
- objective function
- original data
- computer vision
- image retrieval
- sparsity constraints