Link Prediction via Convex Nonnegative Matrix Factorization on Multiscale Blocks.
Enming DongJianping LiZheng XiePublished in: J. Appl. Math. (2014)
Keyphrases
- nonnegative matrix factorization
- link prediction
- multiscale
- matrix factorization
- social networks
- social network analysis
- random walk
- collaborative filtering
- negative matrix factorization
- data representation
- spectral clustering
- least squares
- complex networks
- principal component analysis
- image representation
- image segmentation
- image processing
- convex optimization
- network structure
- supervised learning
- document clustering
- objective function
- tensor factorization
- recommender systems
- link formation
- data mining
- semi supervised
- pairwise
- data analysis
- computer vision
- information retrieval