Link Prediction in Sparse Networks by Incidence Matrix Factorization.
Sho YokoiHiroshi KajinoHisashi KashimaPublished in: J. Inf. Process. (2017)
Keyphrases
- matrix factorization
- link prediction
- collaborative filtering
- tensor factorization
- network analysis
- network structure
- social networks
- missing links
- complex networks
- link formation
- heterogeneous networks
- social ties
- community detection
- recommender systems
- social network analysis
- low rank matrix
- low rank
- bipartite networks
- negative matrix factorization
- topological features
- random walk
- missing data
- factorization methods
- latent factors
- nonnegative matrix factorization
- sparse non negative
- factor analysis
- factorization method
- sparse coding
- social interaction
- item recommendation
- factor graph model
- heterogeneous information networks
- sparsity constraints
- implicit feedback
- sparse representation
- natural images
- co occurrence
- supervised learning
- semi supervised
- state space
- bayesian networks