Dropout Training of Matrix Factorization and Autoencoder for Link Prediction in Sparse Graphs.
Shuangfei ZhaiZhongfei (Mark) ZhangPublished in: SDM (2015)
Keyphrases
- matrix factorization
- link prediction
- collaborative filtering
- tensor factorization
- graph mining
- bipartite graph
- stochastic gradient descent
- graph kernels
- social networks
- social network analysis
- recommender systems
- topological features
- low rank
- latent factors
- random walk
- supervised learning
- factorization methods
- nonnegative matrix factorization
- negative matrix factorization
- low rank matrix
- restricted boltzmann machine
- sparse non negative
- complex networks
- network structure
- factor analysis
- implicit feedback
- missing data
- sparse representation
- high dimensional
- link formation
- graph theory
- learning algorithm
- linear combination
- factorization method
- feature extraction
- face recognition
- transfer learning
- sparsity constraints