Keyphrases
- link prediction
- social networks
- stochastic gradient descent
- social network analysis
- random walk
- heterogeneous networks
- bipartite graph
- network structure
- community detection
- least squares
- complex networks
- step size
- loss function
- matrix factorization
- random forests
- social relationships
- support vector machine
- supervised learning
- online social networks
- link formation
- knn
- probabilistic model
- cost function
- feature selection