DNN	Deep neural network
GCN	Graph convolutional network
GNN	Graph neural network
SGC	Simplified graph convolution
AL	Active learning
CNN	Convolutional neural network
BALD	Bayesian Active Learning by Disagreement
QBC	Query by committee
EER	Expected error reduction
GRF	Gaussian random fields
AGE	Active graph embedding
PR	PageRank
UCB	Upper confidence bound