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